28040610780

素因数分解:

$2^2\times 3^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{71}}^1$

素因数の和:181

約数の個数: 1152

約数和(自身を含む): 118351134720

約数和(自身を除く): 90310523940

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 13, 14, 15, 18, 19, 20, 21, 26, 27, 28, 30, 35, 36, 38, 39, 42, 45, 47, 52, 54, 57, 60, 63, 65, 70, 71, 76, 78, 81, 84, 90, 91, 94, 95, 105, 108, 114, 117, 126, 130, 133, 135, 140, 141, 142, 156, 162, 171, 180, 182, 188, 189, 190, 195, 210, 213, 228, 234, 235, 243, 247, 252, 260, 266, 270, 273, 282, 284, 285, 315, 324, 329, 342, 351, 355, 364, 378, 380, 390, 399, 405, 420, 423, 426, 455, 468, 470, 486, 494, 497, 513, 532, 540, 546, 564, 567, 570, 585, 611, 630, 639, 658, 665, 684, 702, 705, 710, 741, 756, 780, 798, 810, 819, 846, 852, 855, 893, 910, 923, 940, 945, 972, 987, 988, 994, 1026, 1053, 1065, 1092, 1134, 1140, 1170, 1197, 1215, 1222, 1235, 1260, 1269, 1278, 1316, 1330, 1349, 1365, 1404, 1410, 1420, 1482, 1491, 1539, 1596, 1620, 1638, 1645, 1692, 1701, 1710, 1729, 1755, 1786, 1820, 1833, 1846, 1890, 1917, 1974, 1988, 1995, 2052, 2106, 2115, 2130, 2223, 2268, 2340, 2394, 2430, 2444, 2457, 2470, 2485, 2538, 2556, 2565, 2660, 2679, 2698, 2730, 2769, 2820, 2835, 2961, 2964, 2982, 3055, 3078, 3159, 3195, 3276, 3290, 3337, 3402, 3420, 3458, 3510, 3572, 3591, 3666, 3692, 3705, 3780, 3807, 3834, 3948, 3990, 4047, 4095, 4212, 4230, 4260, 4277, 4446, 4465, 4473, 4615, 4617, 4788, 4860, 4914, 4935, 4940, 4970, 5076, 5130, 5187, 5265, 5358, 5396, 5460, 5499, 5538, 5670, 5751, 5922, 5964, 5985, 6110, 6156, 6251, 6318, 6345, 6390, 6461, 6580, 6669, 6674, 6745, 6804, 6916, 7020, 7182, 7332, 7371, 7410, 7455, 7614, 7668, 7695, 7980, 8037, 8094, 8190, 8307, 8460, 8505, 8554, 8645, 8883, 8892, 8930, 8946, 9165, 9230, 9234, 9443, 9585, 9828, 9870, 9940, 10011, 10260, 10374, 10530, 10716, 10773, 10998, 11076, 11115, 11340, 11421, 11502, 11609, 11844, 11970, 12141, 12220, 12285, 12502, 12636, 12690, 12780, 12831, 12922, 13338, 13348, 13395, 13419, 13490, 13845, 14364, 14742, 14805, 14820, 14910, 15228, 15390, 15561, 15795, 16074, 16188, 16380, 16497, 16614, 16685, 17010, 17108, 17253, 17290, 17537, 17766, 17860, 17892, 17955, 18330, 18460, 18468, 18753, 18886, 19035, 19170, 19383, 19740, 20007, 20022, 20235, 20748, 21060, 21385, 21546, 21996, 22113, 22230, 22365, 22842, 23004, 23085, 23218, 23359, 23940, 24111, 24282, 24570, 24921, 25004, 25380, 25662, 25844, 25935, 26649, 26676, 26790, 26838, 26980, 27495, 27690, 28329, 28755, 29484, 29610, 29820, 30033, 30780, 31122, 31255, 31590, 32148, 32305, 32319, 32994, 33228, 33345, 33370, 34020, 34506, 34580, 34827, 35074, 35532, 35910, 36423, 36660, 36855, 37506, 37772, 38070, 38340, 38493, 38766, 40014, 40044, 40185, 40257, 40470, 41535, 42770, 43092, 43381, 44226, 44415, 44460, 44730, 45684, 46170, 46436, 46683, 46718, 47215, 48222, 48564, 49140, 49491, 49842, 50055, 51324, 51870, 52611, 53298, 53580, 53676, 53865, 54990, 55380, 56259, 56658, 57105, 57510, 58045, 58149, 59220, 60021, 60066, 60705, 62244, 62510, 63180, 63403, 64155, 64610, 64638, 65988, 66690, 66740, 67095, 69012, 69654, 70077, 70148, 71820, 72333, 72846, 73710, 74763, 75012, 76140, 76986, 77532, 77805, 79947, 80028, 80370, 80514, 80940, 81263, 82485, 83070, 84987, 85540, 86265, 86762, 87685, 88452, 88830, 89460, 90099, 92340, 93366, 93436, 93765, 94430, 96444, 96915, 98982, 99684, 100035, 100110, 103740, 104481, 105222, 106596, 107730, 109269, 109980, 110565, 112518, 113316, 114210, 115020, 115479, 116090, 116298, 116795, 120042, 120132, 120555, 120771, 121410, 122759, 124605, 125020, 126806, 128310, 129220, 129276, 130143, 133245, 133380, 134190, 139308, 140049, 140154, 141645, 144666, 145692, 147420, 148473, 149526, 150165, 153972, 155610, 157833, 159894, 160740, 161028, 161595, 162526, 164970, 166140, 168777, 169974, 172530, 173524, 174135, 174447, 175370, 177660, 180198, 182115, 186732, 187530, 188860, 190209, 192465, 193830, 197964, 200070, 200220, 201285, 208962, 210231, 210444, 215460, 216905, 216999, 218538, 221130, 224289, 225036, 228420, 230958, 232180, 232596, 233415, 233590, 240084, 241110, 241542, 242820, 243789, 245518, 247455, 249210, 253612, 254961, 256620, 260286, 263055, 266490, 268380, 270297, 280098, 280308, 281295, 283290, 289332, 290745, 296946, 299052, 300105, 300330, 303667, 311220, 313443, 315666, 317015, 319788, 323190, 325052, 327807, 329940, 337554, 339948, 345060, 346437, 348270, 348894, 350385, 350740, 360396, 361665, 364230, 368277, 373815, 375060, 380418, 384930, 387660, 390429, 399735, 400140, 402570, 406315, 417924, 420147, 420462, 424935, 433810, 433998, 437076, 442260, 443821, 448578, 450495, 461916, 466830, 467180, 473499, 482220, 483084, 487578, 491036, 494910, 498420, 506331, 509922, 520572, 522405, 523341, 526110, 532980, 540594, 546345, 560196, 562590, 566580, 570627, 577395, 581490, 593892, 600210, 600660, 603855, 607334, 613795, 626886, 630693, 631332, 634030, 646380, 650715, 655614, 675108, 692874, 696540, 697788, 700245, 700770, 723330, 728460, 731367, 736554, 742365, 747630, 760836, 764883, 769860, 780858, 789165, 799470, 805140, 810891, 812630, 824239, 840294, 840924, 843885, 849870, 867620, 867996, 872235, 887642, 897156, 900990, 911001, 933660, 940329, 946998, 951045, 975156, 989820, 1012662, 1019844, 1039311, 1044810, 1046682, 1051155, 1052220, 1081188, 1084995, 1092690, 1104831, 1121445, 1125180, 1141254, 1154790, 1162980, 1171287, 1200420, 1207710, 1214668, 1218945, 1227590, 1253772, 1261386, 1268060, 1274805, 1301430, 1311228, 1331463, 1351485, 1385748, 1400490, 1401540, 1420497, 1446660, 1462734, 1473108, 1484730, 1495260, 1518335, 1518993, 1529766, 1561716, 1567215, 1570023, 1578330, 1598940, 1621782, 1625260, 1639035, 1648478, 1680588, 1687770, 1699740, 1711881, 1732185, 1744470, 1775284, 1801980, 1822002, 1841385, 1880658, 1892079, 1893996, 1902090, 1952145, 2025324, 2078622, 2089620, 2093364, 2100735, 2102310, 2169990, 2185380, 2194101, 2209662, 2219105, 2242890, 2282508, 2294649, 2309580, 2342574, 2367495, 2415420, 2437890, 2455180, 2472717, 2522772, 2531655, 2549610, 2602860, 2616705, 2662926, 2702970, 2733003, 2800980, 2820987, 2840994, 2853135, 2925468, 2969460, 3036670, 3037986, 3059532, 3134430, 3140046, 3153465, 3156660, 3243564, 3278070, 3296956, 3314493, 3375540, 3423762, 3464370, 3488940, 3513861, 3644004, 3656835, 3682770, 3761316, 3784158, 3804180, 3824415, 3904290, 3994389, 4054455, 4121195, 4157244, 4201470, 4204620, 4261491, 4339980, 4388202, 4419324, 4438210, 4485780, 4555005, 4589298, 4685148, 4701645, 4734990, 4875780, 4945434, 5063310, 5099220, 5135643, 5196555, 5233410, 5325852, 5405940, 5466006, 5524155, 5641974, 5676237, 5681988, 5706270, 5769673, 5856435, 6073340, 6075972, 6268860, 6280092, 6306930, 6556140, 6582303, 6628986, 6657315, 6847524, 6928740, 7027722, 7102485, 7313670, 7365540, 7418151, 7568316, 7594965, 7648830, 7808580, 7850115, 7988778, 8108910, 8199009, 8242390, 8402940, 8522982, 8559405, 8776404, 8876420, 9110010, 9178596, 9403290, 9460395, 9469980, 9890868, 9943479, 10126620, 10271286, 10393110, 10466820, 10541583, 10932012, 10970505, 11048310, 11283948, 11352474, 11412540, 11473245, 11539346, 11712870, 11983167, 12363585, 12613860, 13164606, 13257972, 13314630, 13665015, 14055444, 14104935, 14204970, 14627340, 14836302, 15189930, 15297660, 15406929, 15700230, 15977556, 16217820, 16398018, 16484780, 16572465, 17045964, 17118810, 17309019, 17569305, 18220020, 18806580, 18920790, 19746909, 19886958, 19971945, 20542572, 20786220, 21083166, 21307455, 21941010, 22096620, 22254453, 22704948, 22946490, 23078692, 23425740, 23966334, 24597027, 24727170, 25678215, 26329212, 26629260, 27330030, 28209870, 28381185, 28409940, 28848365, 29672604, 29830437, 30379860, 30813858, 31400460, 32796036, 32911515, 33144930, 34237620, 34618038, 35138610, 35949501, 37090755, 37841580, 39493818, 39773916, 39943890, 40995045, 42166332, 42614910, 43882020, 44508906, 45892980, 47932668, 49194054, 49454340, 49717395, 51356430, 51927057, 52707915, 54660060, 56419740, 56762370, 57696730, 59660874, 59915835, 61627716, 65823030, 66289860, 66763359, 69236076, 70277220, 71899002, 73791081, 74181510, 77034645, 78987636, 79887780, 81990090, 85229820, 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約数ペア:

[(1, 28040610780), (2, 14020305390), (3, 9346870260), (4, 7010152695), (5, 5608122156), (6, 4673435130), (7, 4005801540), (9, 3115623420), (10, 2804061078), (12, 2336717565), (13, 2156970060), (14, 2002900770), (15, 1869374052), (18, 1557811710), (19, 1475821620), (20, 1402030539), (21, 1335267180), (26, 1078485030), (27, 1038541140), (28, 1001450385), (30, 934687026), (35, 801160308), (36, 778905855), (38, 737910810), (39, 718990020), (42, 667633590), (45, 623124684), (47, 596608740), (52, 539242515), (54, 519270570), (57, 491940540), (60, 467343513), (63, 445089060), (65, 431394012), (70, 400580154), (71, 394938180), (76, 368955405), (78, 359495010), (81, 346180380), (84, 333816795), (90, 311562342), (91, 308138580), (94, 298304370), (95, 295164324), (105, 267053436), (108, 259635285), (114, 245970270), (117, 239663340), (126, 222544530), (130, 215697006), (133, 210831660), (135, 207708228), (140, 200290077), (141, 198869580), (142, 197469090), (156, 179747505), (162, 173090190), (171, 163980180), (180, 155781171), (182, 154069290), (188, 149152185), (189, 148363020), (190, 147582162), (195, 143798004), (210, 133526718), (213, 131646060), (228, 122985135), (234, 119831670), (235, 119321748), (243, 115393460), (247, 113524740), (252, 111272265), (260, 107848503), (266, 105415830), (270, 103854114), (273, 102712860), (282, 99434790), (284, 98734545), (285, 98388108), (315, 89017812), (324, 86545095), (329, 85229820), (342, 81990090), (351, 79887780), (355, 78987636), (364, 77034645), (378, 74181510), (380, 73791081), (390, 71899002), (399, 70277220), (405, 69236076), (420, 66763359), (423, 66289860), (426, 65823030), (455, 61627716), (468, 59915835), (470, 59660874), (486, 57696730), (494, 56762370), (497, 56419740), (513, 54660060), (532, 52707915), (540, 51927057), (546, 51356430), (564, 49717395), (567, 49454340), (570, 49194054), (585, 47932668), (611, 45892980), (630, 44508906), (639, 43882020), (658, 42614910), (665, 42166332), (684, 40995045), (702, 39943890), (705, 39773916), (710, 39493818), (741, 37841580), (756, 37090755), (780, 35949501), (798, 35138610), (810, 34618038), (819, 34237620), (846, 33144930), (852, 32911515), (855, 32796036), (893, 31400460), (910, 30813858), (923, 30379860), (940, 29830437), (945, 29672604), (972, 28848365), (987, 28409940), (988, 28381185), (994, 28209870), (1026, 27330030), (1053, 26629260), (1065, 26329212), (1092, 25678215), (1134, 24727170), (1140, 24597027), (1170, 23966334), (1197, 23425740), (1215, 23078692), (1222, 22946490), (1235, 22704948), (1260, 22254453), (1269, 22096620), (1278, 21941010), (1316, 21307455), (1330, 21083166), (1349, 20786220), (1365, 20542572), (1404, 19971945), (1410, 19886958), (1420, 19746909), (1482, 18920790), (1491, 18806580), (1539, 18220020), (1596, 17569305), (1620, 17309019), (1638, 17118810), (1645, 17045964), (1692, 16572465), (1701, 16484780), (1710, 16398018), (1729, 16217820), (1755, 15977556), (1786, 15700230), (1820, 15406929), (1833, 15297660), (1846, 15189930), (1890, 14836302), (1917, 14627340), (1974, 14204970), (1988, 14104935), (1995, 14055444), (2052, 13665015), (2106, 13314630), (2115, 13257972), (2130, 13164606), (2223, 12613860), (2268, 12363585), (2340, 11983167), (2394, 11712870), (2430, 11539346), (2444, 11473245), (2457, 11412540), (2470, 11352474), (2485, 11283948), (2538, 11048310), (2556, 10970505), (2565, 10932012), (2660, 10541583), (2679, 10466820), (2698, 10393110), (2730, 10271286), (2769, 10126620), (2820, 9943479), (2835, 9890868), (2961, 9469980), (2964, 9460395), (2982, 9403290), (3055, 9178596), (3078, 9110010), (3159, 8876420), (3195, 8776404), (3276, 8559405), (3290, 8522982), (3337, 8402940), (3402, 8242390), (3420, 8199009), (3458, 8108910), (3510, 7988778), (3572, 7850115), (3591, 7808580), (3666, 7648830), (3692, 7594965), (3705, 7568316), (3780, 7418151), (3807, 7365540), (3834, 7313670), (3948, 7102485), (3990, 7027722), (4047, 6928740), (4095, 6847524), (4212, 6657315), (4230, 6628986), (4260, 6582303), (4277, 6556140), (4446, 6306930), (4465, 6280092), (4473, 6268860), (4615, 6075972), (4617, 6073340), (4788, 5856435), (4860, 5769673), (4914, 5706270), (4935, 5681988), (4940, 5676237), (4970, 5641974), (5076, 5524155), (5130, 5466006), (5187, 5405940), (5265, 5325852), (5358, 5233410), (5396, 5196555), (5460, 5135643), (5499, 5099220), (5538, 5063310), (5670, 4945434), (5751, 4875780), (5922, 4734990), (5964, 4701645), (5985, 4685148), (6110, 4589298), (6156, 4555005), (6251, 4485780), (6318, 4438210), (6345, 4419324), (6390, 4388202), (6461, 4339980), (6580, 4261491), (6669, 4204620), (6674, 4201470), (6745, 4157244), (6804, 4121195), (6916, 4054455), (7020, 3994389), (7182, 3904290), (7332, 3824415), (7371, 3804180), (7410, 3784158), (7455, 3761316), (7614, 3682770), (7668, 3656835), (7695, 3644004), (7980, 3513861), (8037, 3488940), (8094, 3464370), (8190, 3423762), (8307, 3375540), (8460, 3314493), (8505, 3296956), (8554, 3278070), (8645, 3243564), (8883, 3156660), (8892, 3153465), (8930, 3140046), (8946, 3134430), (9165, 3059532), (9230, 3037986), (9234, 3036670), (9443, 2969460), (9585, 2925468), (9828, 2853135), (9870, 2840994), (9940, 2820987), (10011, 2800980), (10260, 2733003), (10374, 2702970), (10530, 2662926), (10716, 2616705), (10773, 2602860), (10998, 2549610), (11076, 2531655), (11115, 2522772), (11340, 2472717), (11421, 2455180), (11502, 2437890), (11609, 2415420), (11844, 2367495), (11970, 2342574), (12141, 2309580), (12220, 2294649), (12285, 2282508), (12502, 2242890), (12636, 2219105), (12690, 2209662), (12780, 2194101), (12831, 2185380), (12922, 2169990), (13338, 2102310), (13348, 2100735), (13395, 2093364), (13419, 2089620), (13490, 2078622), (13845, 2025324), (14364, 1952145), (14742, 1902090), (14805, 1893996), (14820, 1892079), (14910, 1880658), (15228, 1841385), (15390, 1822002), (15561, 1801980), (15795, 1775284), (16074, 1744470), (16188, 1732185), (16380, 1711881), (16497, 1699740), (16614, 1687770), (16685, 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