20915554920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1$

素因数の和:210

約数の個数: 768

約数和(自身を含む): 78929510400

約数和(自身を除く): 58013955480

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 17, 19, 20, 24, 26, 30, 31, 34, 38, 39, 40, 51, 52, 57, 60, 62, 65, 68, 76, 78, 85, 93, 95, 102, 103, 104, 114, 120, 124, 130, 136, 152, 155, 156, 169, 170, 186, 190, 195, 204, 206, 221, 228, 247, 248, 255, 260, 285, 309, 310, 312, 323, 338, 340, 372, 380, 390, 403, 408, 412, 442, 456, 465, 494, 507, 510, 515, 520, 527, 570, 589, 618, 620, 646, 663, 676, 680, 741, 744, 760, 780, 806, 824, 845, 884, 930, 969, 988, 1014, 1020, 1030, 1054, 1105, 1140, 1178, 1209, 1235, 1236, 1240, 1292, 1326, 1339, 1352, 1482, 1545, 1560, 1581, 1612, 1615, 1690, 1751, 1767, 1768, 1860, 1938, 1957, 1976, 2015, 2028, 2040, 2060, 2108, 2210, 2280, 2356, 2418, 2470, 2472, 2535, 2584, 2635, 2652, 2678, 2873, 2945, 2964, 3090, 3162, 3193, 3211, 3224, 3230, 3315, 3380, 3502, 3534, 3705, 3720, 3876, 3914, 4017, 4030, 4056, 4120, 4199, 4216, 4420, 4712, 4836, 4845, 4940, 5070, 5239, 5253, 5270, 5304, 5356, 5746, 5871, 5890, 5928, 6045, 6180, 6324, 6386, 6422, 6460, 6630, 6695, 6760, 6851, 7004, 7068, 7410, 7657, 7752, 7828, 7905, 8034, 8060, 8398, 8619, 8755, 8835, 8840, 9579, 9633, 9672, 9690, 9785, 9880, 10013, 10140, 10478, 10506, 10540, 10712, 11492, 11742, 11780, 12090, 12360, 12597, 12648, 12772, 12844, 12920, 13260, 13390, 13702, 14008, 14136, 14365, 14820, 15314, 15656, 15717, 15810, 15965, 16055, 16068, 16120, 16796, 17238, 17407, 17510, 17670, 19158, 19266, 19380, 19570, 20026, 20085, 20280, 20553, 20956, 20995, 21012, 21080, 22763, 22971, 22984, 23484, 23560, 24180, 25194, 25441, 25544, 25688, 26195, 26265, 26520, 26780, 27404, 28730, 29355, 29640, 30039, 30628, 31434, 31620, 31930, 32110, 32136, 33269, 33592, 34255, 34476, 34814, 35020, 35340, 38285, 38316, 38532, 38760, 39140, 40052, 40170, 41106, 41509, 41912, 41990, 42024, 43095, 45526, 45942, 46968, 47895, 48165, 48360, 50065, 50388, 50882, 52221, 52390, 52530, 53560, 54281, 54587, 54808, 57460, 58710, 60078, 60667, 61256, 62868, 62985, 63240, 63860, 64220, 66538, 68289, 68510, 68952, 69628, 70040, 70680, 76323, 76570, 76632, 77064, 78280, 78585, 80104, 80340, 82212, 83018, 83980, 86190, 87035, 89063, 91052, 91884, 95790, 96330, 99541, 99807, 100130, 100776, 101764, 102765, 104442, 104780, 105060, 108562, 109174, 113815, 114855, 114920, 117420, 120156, 121334, 124527, 125736, 125970, 127205, 127720, 128440, 130169, 133076, 136578, 137020, 139256, 150195, 152646, 153140, 157170, 160680, 162843, 163761, 164424, 166036, 166345, 167960, 172380, 174070, 178126, 182001, 182104, 183768, 191580, 192660, 199082, 199614, 200260, 203528, 205530, 207545, 208884, 209560, 210120, 217124, 218348, 227630, 229710, 234840, 240312, 242668, 249054, 251940, 254410, 260338, 261105, 266152, 267189, 271405, 272935, 273156, 274040, 295919, 298623, 300390, 303335, 305292, 306280, 314340, 325686, 327522, 330733, 332072, 332690, 341445, 344760, 348140, 356252, 364002, 381615, 383160, 385320, 390507, 398164, 399228, 400520, 411060, 415090, 417768, 432497, 434248, 436696, 445315, 455260, 459420, 485336, 497705, 498108, 499035, 503880, 508820, 520676, 522210, 534378, 539617, 542810, 545870, 546312, 591838, 597246, 600780, 606670, 610584, 622635, 628680, 650845, 651372, 655044, 661466, 665380, 682890, 696280, 705653, 712504, 728004, 763230, 781014, 788671, 796328, 798456, 814215, 818805, 822120, 830180, 864994, 887757, 890630, 910005, 910520, 918840, 992199, 995410, 996216, 998070, 1017640, 1031339, 1041352, 1044420, 1068756, 1079234, 1085620, 1091740, 1183676, 1194492, 1201560, 1213340, 1245270, 1297491, 1301690, 1302744, 1310088, 1322932, 1330760, 1335945, 1365780, 1411306, 1456008, 1479595, 1493115, 1526460, 1562028, 1577342, 1618851, 1628430, 1637610, 1653665, 1660360, 1692197, 1729988, 1775514, 1781260, 1820010, 1952535, 1984398, 1990820, 1996140, 2062678, 2088840, 2116959, 2137512, 2158468, 2162485, 2171240, 2183480, 2366013, 2367352, 2388984, 2426680, 2490540, 2594982, 2603380, 2645864, 2671890, 2698085, 2731560, 2822612, 2959190, 2986230, 3052920, 3094017, 3124056, 3154684, 3237702, 3256860, 3275220, 3307330, 3384394, 3459976, 3528265, 3551028, 3562520, 3640020, 3905070, 3943355, 3968796, 3981640, 3992280, 4125356, 4233918, 4316936, 4324970, 4438785, 4732026, 4960995, 4981080, 5076591, 5156695, 5189964, 5206760, 5343780, 5396170, 5622461, 5645224, 5918380, 5972460, 6188034, 6309368, 6475404, 6487455, 6513720, 6550440, 6614660, 6768788, 7056530, 7102056, 7280040, 7810140, 7886710, 7937592, 8094255, 8250712, 8460985, 8467836, 8649940, 8877570, 9173489, 9464052, 9921990, 10153182, 10252723, 10313390, 10379928, 10584795, 10687560, 10792340, 11244922, 11830065, 11836760, 11944920, 12376068, 12950808, 12974910, 13229320, 13407407, 13537576, 14113060, 15470085, 15620280, 15773420, 16188510, 16867383, 16921970, 16935672, 17299880, 17755140, 18346978, 18928104, 19843980, 20306364, 20505446, 20626780, 21169590, 21584680, 22489844, 23660130, 24752136, 25382955, 25949820, 26814814, 27520467, 28112305, 28226120, 30758169, 30940170, 31546840, 32377020, 33734766, 33843940, 35510280, 36693956, 39687960, 40222221, 40612728, 41010892, 41253560, 42339180, 44979688, 45867445, 47320260, 50765910, 51263615, 51899640, 53629628, 55040934, 56224610, 61516338, 61880340, 64754040, 67037035, 67469532, 67687880, 73387912, 80444442, 82021784, 84336915, 84678360, 91734890, 94640520, 101531820, 102527230, 107259256, 110081868, 112449220, 123032676, 123760680, 134074070, 134939064, 137602335, 153790845, 160888884, 168673830, 174296291, 183469780, 201111105, 203063640, 205054460, 220163736, 224898440, 246065352, 268148140, 275204670, 307581690, 321777768, 337347660, 348592582, 366939560, 402222210, 410108920, 522888873, 536296280, 550409340, 615163380, 674695320, 697185164, 804444420, 871481455, 1045777746, 1100818680, 1230326760, 1394370328, 1608888840, 1742962910, 2091555492, 2614444365, 3485925820, 4183110984, 5228888730, 6971851640, 10457777460, 20915554920]

約数ペア:

[(1, 20915554920), (2, 10457777460), (3, 6971851640), (4, 5228888730), (5, 4183110984), (6, 3485925820), (8, 2614444365), (10, 2091555492), (12, 1742962910), (13, 1608888840), (15, 1394370328), (17, 1230326760), (19, 1100818680), (20, 1045777746), (24, 871481455), (26, 804444420), (30, 697185164), (31, 674695320), (34, 615163380), (38, 550409340), (39, 536296280), (40, 522888873), (51, 410108920), (52, 402222210), (57, 366939560), (60, 348592582), (62, 337347660), (65, 321777768), (68, 307581690), (76, 275204670), (78, 268148140), (85, 246065352), (93, 224898440), (95, 220163736), (102, 205054460), (103, 203063640), (104, 201111105), (114, 183469780), (120, 174296291), (124, 168673830), (130, 160888884), (136, 153790845), (152, 137602335), (155, 134939064), (156, 134074070), (169, 123760680), (170, 123032676), (186, 112449220), (190, 110081868), (195, 107259256), (204, 102527230), (206, 101531820), (221, 94640520), (228, 91734890), (247, 84678360), (248, 84336915), (255, 82021784), (260, 80444442), (285, 73387912), (309, 67687880), (310, 67469532), (312, 67037035), (323, 64754040), (338, 61880340), (340, 61516338), (372, 56224610), (380, 55040934), (390, 53629628), (403, 51899640), (408, 51263615), (412, 50765910), (442, 47320260), (456, 45867445), (465, 44979688), (494, 42339180), (507, 41253560), (510, 41010892), (515, 40612728), (520, 40222221), (527, 39687960), (570, 36693956), (589, 35510280), (618, 33843940), (620, 33734766), (646, 32377020), (663, 31546840), (676, 30940170), (680, 30758169), (741, 28226120), (744, 28112305), (760, 27520467), (780, 26814814), (806, 25949820), (824, 25382955), (845, 24752136), (884, 23660130), (930, 22489844), (969, 21584680), (988, 21169590), (1014, 20626780), (1020, 20505446), (1030, 20306364), (1054, 19843980), (1105, 18928104), (1140, 18346978), (1178, 17755140), (1209, 17299880), (1235, 16935672), (1236, 16921970), (1240, 16867383), (1292, 16188510), (1326, 15773420), (1339, 15620280), (1352, 15470085), (1482, 14113060), (1545, 13537576), (1560, 13407407), (1581, 13229320), (1612, 12974910), (1615, 12950808), (1690, 12376068), (1751, 11944920), (1767, 11836760), (1768, 11830065), (1860, 11244922), (1938, 10792340), (1957, 10687560), (1976, 10584795), (2015, 10379928), (2028, 10313390), (2040, 10252723), (2060, 10153182), (2108, 9921990), (2210, 9464052), (2280, 9173489), (2356, 8877570), (2418, 8649940), (2470, 8467836), (2472, 8460985), (2535, 8250712), (2584, 8094255), (2635, 7937592), (2652, 7886710), (2678, 7810140), (2873, 7280040), (2945, 7102056), (2964, 7056530), (3090, 6768788), (3162, 6614660), (3193, 6550440), (3211, 6513720), (3224, 6487455), (3230, 6475404), (3315, 6309368), (3380, 6188034), (3502, 5972460), (3534, 5918380), (3705, 5645224), (3720, 5622461), (3876, 5396170), (3914, 5343780), (4017, 5206760), (4030, 5189964), (4056, 5156695), (4120, 5076591), (4199, 4981080), (4216, 4960995), (4420, 4732026), (4712, 4438785), (4836, 4324970), (4845, 4316936), (4940, 4233918), (5070, 4125356), (5239, 3992280), (5253, 3981640), (5270, 3968796), (5304, 3943355), (5356, 3905070), (5746, 3640020), (5871, 3562520), (5890, 3551028), (5928, 3528265), (6045, 3459976), (6180, 3384394), (6324, 3307330), (6386, 3275220), (6422, 3256860), (6460, 3237702), (6630, 3154684), (6695, 3124056), (6760, 3094017), (6851, 3052920), (7004, 2986230), (7068, 2959190), (7410, 2822612), (7657, 2731560), (7752, 2698085), (7828, 2671890), (7905, 2645864), (8034, 2603380), (8060, 2594982), (8398, 2490540), (8619, 2426680), (8755, 2388984), (8835, 2367352), (8840, 2366013), (9579, 2183480), (9633, 2171240), (9672, 2162485), (9690, 2158468), (9785, 2137512), (9880, 2116959), (10013, 2088840), (10140, 2062678), (10478, 1996140), (10506, 1990820), (10540, 1984398), (10712, 1952535), (11492, 1820010), (11742, 1781260), (11780, 1775514), (12090, 1729988), (12360, 1692197), (12597, 1660360), (12648, 1653665), (12772, 1637610), (12844, 1628430), (12920, 1618851), (13260, 1577342), (13390, 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(80340, 260338), (82212, 254410), (83018, 251940), (83980, 249054), (86190, 242668), (87035, 240312), (89063, 234840), (91052, 229710), (91884, 227630), (95790, 218348), (96330, 217124), (99541, 210120), (99807, 209560), (100130, 208884), (100776, 207545), (101764, 205530), (102765, 203528), (104442, 200260), (104780, 199614), (105060, 199082), (108562, 192660), (109174, 191580), (113815, 183768), (114855, 182104), (114920, 182001), (117420, 178126), (120156, 174070), (121334, 172380), (124527, 167960), (125736, 166345), (125970, 166036), (127205, 164424), (127720, 163761), (128440, 162843), (130169, 160680), (133076, 157170), (136578, 153140), (137020, 152646), (139256, 150195)]