20489684670

素因数分解:

$2^1\times 3^5\times 5^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1$

素因数の和:148

約数の個数: 768

約数和(自身を含む): 72795340800

約数和(自身を除く): 52305656130

約数列:

[1, 2, 3, 5, 6, 7, 9, 10, 13, 14, 15, 18, 21, 26, 27, 30, 31, 35, 39, 42, 45, 49, 54, 61, 62, 63, 65, 70, 78, 81, 90, 91, 93, 98, 105, 117, 122, 126, 130, 135, 147, 155, 162, 182, 183, 186, 189, 195, 210, 217, 234, 243, 245, 270, 273, 279, 294, 305, 310, 315, 343, 351, 366, 378, 390, 403, 405, 427, 434, 441, 455, 465, 486, 490, 546, 549, 558, 567, 585, 610, 630, 637, 651, 686, 702, 735, 793, 806, 810, 819, 837, 854, 882, 910, 915, 930, 945, 1029, 1053, 1085, 1098, 1134, 1170, 1209, 1215, 1274, 1281, 1302, 1323, 1365, 1395, 1470, 1519, 1586, 1638, 1647, 1674, 1701, 1715, 1755, 1830, 1890, 1891, 1911, 1953, 2015, 2058, 2106, 2135, 2170, 2205, 2379, 2418, 2430, 2457, 2511, 2562, 2646, 2730, 2745, 2790, 2821, 2835, 2989, 3038, 3087, 3159, 3185, 3255, 3294, 3402, 3430, 3510, 3627, 3782, 3822, 3843, 3906, 3965, 3969, 4030, 4095, 4185, 4270, 4410, 4459, 4557, 4758, 4914, 4941, 5022, 5145, 5265, 5490, 5551, 5642, 5670, 5673, 5733, 5859, 5978, 6045, 6174, 6318, 6370, 6405, 6510, 6615, 7137, 7254, 7371, 7533, 7595, 7686, 7930, 7938, 8190, 8235, 8370, 8463, 8505, 8918, 8967, 9114, 9261, 9455, 9555, 9765, 9882, 10290, 10530, 10633, 10881, 11102, 11346, 11466, 11529, 11718, 11895, 11907, 12090, 12285, 12555, 12810, 13230, 13237, 13377, 13671, 14105, 14274, 14742, 14823, 14945, 15066, 15190, 15435, 15795, 16470, 16653, 16926, 17010, 17019, 17199, 17577, 17934, 18135, 18522, 18910, 19110, 19215, 19530, 19747, 19845, 20923, 21266, 21411, 21762, 22113, 22295, 22785, 23058, 23790, 23814, 24570, 24583, 24705, 25110, 25389, 26474, 26754, 26901, 27342, 27755, 27783, 28210, 28365, 28665, 29295, 29646, 29890, 30870, 31590, 31899, 32643, 33306, 34038, 34398, 34587, 35154, 35685, 36270, 36855, 37665, 38430, 38857, 39494, 39690, 39711, 40131, 41013, 41846, 42315, 42822, 44226, 44590, 44835, 45570, 46305, 49166, 49410, 49959, 50778, 51057, 51597, 52731, 53165, 53802, 54405, 55510, 55566, 56730, 57330, 57645, 58590, 59241, 59535, 62769, 63798, 64233, 65286, 66185, 66885, 68355, 69174, 71370, 73710, 73749, 74115, 75330, 76167, 77714, 79422, 80262, 80703, 82026, 83265, 83349, 84630, 85095, 85995, 87885, 89670, 92610, 92659, 95697, 97929, 98735, 99918, 102114, 103194, 103761, 104615, 105462, 106330, 107055, 108810, 110565, 115290, 116571, 118482, 119070, 119133, 120393, 122915, 123039, 125538, 126945, 128466, 132370, 133770, 134505, 136710, 138229, 138915, 147498, 148230, 149877, 152334, 153171, 154791, 159495, 161406, 163215, 166530, 166698, 170190, 171990, 172081, 172935, 175770, 177723, 185318, 188307, 191394, 192699, 194285, 195858, 197470, 198555, 200655, 205065, 207522, 209230, 214110, 221130, 221247, 228501, 233142, 238266, 240786, 242109, 245830, 246078, 249795, 253890, 255285, 257985, 263655, 269010, 271999, 276458, 277830, 277977, 287091, 296205, 299754, 306342, 309582, 313845, 318990, 321165, 326430, 344162, 345870, 349713, 355446, 357399, 361179, 368745, 369117, 376614, 380835, 385398, 388570, 397110, 401310, 403515, 410130, 414687, 416745, 442494, 449631, 457002, 459513, 463295, 478485, 484218, 489645, 499590, 510570, 515970, 516243, 518805, 527310, 533169, 543998, 555954, 564921, 574182, 582855, 592410, 595665, 601965, 615195, 627690, 642330, 648613, 663741, 685503, 691145, 699426, 714798, 722358, 726327, 737490, 738234, 749385, 761670, 765855, 773955, 807030, 815997, 829374, 833490, 833931, 860405, 861273, 888615, 899262, 919026, 926590, 941535, 956970, 963495, 979290, 1032486, 1037610, 1049139, 1066338, 1072197, 1083537, 1106235, 1129842, 1142505, 1165710, 1191330, 1203930, 1204567, 1210545, 1230390, 1244061, 1297226, 1327482, 1348893, 1359995, 1371006, 1382290, 1389885, 1435455, 1452654, 1498770, 1531710, 1547910, 1548729, 1599507, 1631994, 1667862, 1694763, 1720810, 1722546, 1748565, 1777230, 1786995, 1805895, 1845585, 1883070, 1926990, 1945839, 1991223, 2073435, 2098278, 2144394, 2167074, 2212470, 2248155, 2285010, 2297565, 2409134, 2421090, 2447991, 2488122, 2501793, 2581215, 2583819, 2665845, 2697786, 2719990, 2779770, 2824605, 2870910, 3097458, 3147417, 3199014, 3216591, 3243065, 3318705, 3389526, 3427515, 3497130, 3573990, 3611790, 3613701, 3631635, 3691170, 3732183, 3891678, 3982446, 4079985, 4146870, 4169655, 4306365, 4496310, 4595130, 4646187, 4798521, 4895982, 5003586, 5084289, 5162430, 5167638, 5245695, 5331690, 5360985, 5417685, 5649210, 5837517, 5973669, 6022835, 6220305, 6294834, 6433182, 6486130, 6637410, 6744465, 6855030, 7227402, 7263270, 7343973, 7464366, 7505379, 7743645, 7997535, 8159970, 8339310, 8431969, 8473815, 8612730, 9292374, 9442251, 9597042, 9729195, 9956115, 10168578, 10491390, 10721970, 10835370, 10841103, 11196549, 11675034, 11947338, 12045670, 12239955, 12440610, 12508965, 12919095, 13488930, 13938561, 14687946, 15010758, 15487290, 15737085, 15995070, 16082955, 16863938, 16947630, 17512551, 18068505, 18660915, 18884502, 19458390, 19912230, 21682206, 22031919, 22393098, 22516137, 23230935, 23992605, 24479910, 25017930, 25295907, 25421445, 25838190, 27877122, 29187585, 29868345, 31474170, 32165910, 32523309, 33589647, 35025102, 36137010, 36719865, 37321830, 37526895, 41815683, 42159845, 44063838, 45032274, 46461870, 47211255, 47985210, 50591814, 50842890, 52537653, 54205515, 55982745, 58375170, 59736690, 65046618, 66095757, 67179294, 69692805, 73439730, 75053790, 75887721, 83631366, 84319690, 87562755, 94422510, 97569927, 105075306, 108411030, 110159595, 111965490, 112580685, 126479535, 132191514, 139385610, 151775442, 157612959, 162616545, 167948235, 175125510, 195139854, 209078415, 220319190, 225161370, 227663163, 252959070, 262688265, 292709781, 315225918, 325233090, 330478785, 335896470, 379438605, 418156830, 455326326, 487849635, 525376530, 585419562, 660957570, 682989489, 758877210, 788064795, 975699270, 1138315815, 1365978978, 1463548905, 1576129590, 2048968467, 2276631630, 2927097810, 3414947445, 4097936934, 6829894890, 10244842335, 20489684670]

約数ペア:

[(1, 20489684670), (2, 10244842335), (3, 6829894890), (5, 4097936934), (6, 3414947445), (7, 2927097810), (9, 2276631630), (10, 2048968467), (13, 1576129590), (14, 1463548905), (15, 1365978978), (18, 1138315815), (21, 975699270), (26, 788064795), (27, 758877210), (30, 682989489), (31, 660957570), (35, 585419562), (39, 525376530), (42, 487849635), (45, 455326326), (49, 418156830), (54, 379438605), (61, 335896470), (62, 330478785), (63, 325233090), (65, 315225918), (70, 292709781), (78, 262688265), (81, 252959070), (90, 227663163), (91, 225161370), (93, 220319190), (98, 209078415), (105, 195139854), (117, 175125510), (122, 167948235), (126, 162616545), (130, 157612959), (135, 151775442), (147, 139385610), (155, 132191514), (162, 126479535), (182, 112580685), (183, 111965490), (186, 110159595), (189, 108411030), (195, 105075306), (210, 97569927), (217, 94422510), (234, 87562755), (243, 84319690), (245, 83631366), (270, 75887721), (273, 75053790), (279, 73439730), (294, 69692805), (305, 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(1647, 12440610), (1674, 12239955), (1701, 12045670), (1715, 11947338), (1755, 11675034), (1830, 11196549), (1890, 10841103), (1891, 10835370), (1911, 10721970), (1953, 10491390), (2015, 10168578), (2058, 9956115), (2106, 9729195), (2135, 9597042), (2170, 9442251), (2205, 9292374), (2379, 8612730), (2418, 8473815), (2430, 8431969), (2457, 8339310), (2511, 8159970), (2562, 7997535), (2646, 7743645), (2730, 7505379), (2745, 7464366), (2790, 7343973), (2821, 7263270), (2835, 7227402), (2989, 6855030), (3038, 6744465), (3087, 6637410), (3159, 6486130), (3185, 6433182), (3255, 6294834), (3294, 6220305), (3402, 6022835), (3430, 5973669), (3510, 5837517), (3627, 5649210), (3782, 5417685), (3822, 5360985), (3843, 5331690), (3906, 5245695), (3965, 5167638), (3969, 5162430), (4030, 5084289), (4095, 5003586), (4185, 4895982), (4270, 4798521), (4410, 4646187), (4459, 4595130), (4557, 4496310), (4758, 4306365), (4914, 4169655), (4941, 4146870), (5022, 4079985), (5145, 3982446), (5265, 3891678), (5490, 3732183), (5551, 3691170), (5642, 3631635), (5670, 3613701), (5673, 3611790), (5733, 3573990), (5859, 3497130), (5978, 3427515), (6045, 3389526), (6174, 3318705), (6318, 3243065), (6370, 3216591), (6405, 3199014), (6510, 3147417), (6615, 3097458), (7137, 2870910), (7254, 2824605), (7371, 2779770), (7533, 2719990), (7595, 2697786), (7686, 2665845), (7930, 2583819), (7938, 2581215), (8190, 2501793), (8235, 2488122), (8370, 2447991), (8463, 2421090), (8505, 2409134), (8918, 2297565), (8967, 2285010), (9114, 2248155), (9261, 2212470), (9455, 2167074), (9555, 2144394), (9765, 2098278), (9882, 2073435), (10290, 1991223), (10530, 1945839), (10633, 1926990), (10881, 1883070), (11102, 1845585), (11346, 1805895), (11466, 1786995), (11529, 1777230), (11718, 1748565), (11895, 1722546), (11907, 1720810), (12090, 1694763), (12285, 1667862), (12555, 1631994), (12810, 1599507), (13230, 1548729), (13237, 1547910), (13377, 1531710), (13671, 1498770), (14105, 1452654), (14274, 1435455), (14742, 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