20512236240

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{11633}}^1$

素因数の和:11762

約数の個数: 240

約数和(自身を含む): 72015390720

約数和(自身を除く): 51503154480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 31, 36, 40, 45, 48, 60, 62, 72, 79, 80, 90, 93, 120, 124, 144, 155, 158, 180, 186, 237, 240, 248, 279, 310, 316, 360, 372, 395, 465, 474, 496, 558, 620, 632, 711, 720, 744, 790, 930, 948, 1116, 1185, 1240, 1264, 1395, 1422, 1488, 1580, 1860, 1896, 2232, 2370, 2449, 2480, 2790, 2844, 3160, 3555, 3720, 3792, 4464, 4740, 4898, 5580, 5688, 6320, 7110, 7347, 7440, 9480, 9796, 11160, 11376, 11633, 12245, 14220, 14694, 18960, 19592, 22041, 22320, 23266, 24490, 28440, 29388, 34899, 36735, 39184, 44082, 46532, 48980, 56880, 58165, 58776, 69798, 73470, 88164, 93064, 97960, 104697, 110205, 116330, 117552, 139596, 146940, 174495, 176328, 186128, 195920, 209394, 220410, 232660, 279192, 293880, 348990, 352656, 360623, 418788, 440820, 465320, 523485, 558384, 587760, 697980, 721246, 837576, 881640, 919007, 930640, 1046970, 1081869, 1395960, 1442492, 1675152, 1763280, 1803115, 1838014, 2093940, 2163738, 2757021, 2791920, 2884984, 3245607, 3606230, 3676028, 4187880, 4327476, 4595035, 5409345, 5514042, 5769968, 6491214, 7212460, 7352056, 8271063, 8375760, 8654952, 9190070, 10818690, 11028084, 12982428, 13785105, 14424920, 14704112, 16228035, 16542126, 17309904, 18380140, 21637380, 22056168, 25964856, 27570210, 28489217, 28849840, 32456070, 33084252, 36760280, 41355315, 43274760, 44112336, 51929712, 55140420, 56978434, 64912140, 66168504, 73520560, 82710630, 85467651, 86549520, 110280840, 113956868, 129824280, 132337008, 142446085, 165421260, 170935302, 220561680, 227913736, 256402953, 259648560, 284892170, 330842520, 341870604, 427338255, 455827472, 512805906, 569784340, 661685040, 683741208, 854676510, 1025611812, 1139568680, 1282014765, 1367482416, 1709353020, 2051223624, 2279137360, 2564029530, 3418706040, 4102447248, 5128059060, 6837412080, 10256118120, 20512236240]

約数ペア:

[(1, 20512236240), (2, 10256118120), (3, 6837412080), (4, 5128059060), (5, 4102447248), (6, 3418706040), (8, 2564029530), (9, 2279137360), (10, 2051223624), (12, 1709353020), (15, 1367482416), (16, 1282014765), (18, 1139568680), (20, 1025611812), (24, 854676510), (30, 683741208), (31, 661685040), (36, 569784340), (40, 512805906), (45, 455827472), (48, 427338255), (60, 341870604), (62, 330842520), (72, 284892170), (79, 259648560), (80, 256402953), (90, 227913736), (93, 220561680), (120, 170935302), (124, 165421260), (144, 142446085), (155, 132337008), (158, 129824280), (180, 113956868), (186, 110280840), (237, 86549520), (240, 85467651), (248, 82710630), (279, 73520560), (310, 66168504), (316, 64912140), (360, 56978434), (372, 55140420), (395, 51929712), (465, 44112336), (474, 43274760), (496, 41355315), (558, 36760280), (620, 33084252), (632, 32456070), (711, 28849840), (720, 28489217), (744, 27570210), (790, 25964856), (930, 22056168), (948, 21637380), (1116, 18380140), (1185, 17309904), (1240, 16542126), (1264, 16228035), (1395, 14704112), (1422, 14424920), (1488, 13785105), (1580, 12982428), (1860, 11028084), (1896, 10818690), (2232, 9190070), (2370, 8654952), (2449, 8375760), (2480, 8271063), (2790, 7352056), (2844, 7212460), (3160, 6491214), (3555, 5769968), (3720, 5514042), (3792, 5409345), (4464, 4595035), (4740, 4327476), (4898, 4187880), (5580, 3676028), (5688, 3606230), (6320, 3245607), (7110, 2884984), (7347, 2791920), (7440, 2757021), (9480, 2163738), (9796, 2093940), (11160, 1838014), (11376, 1803115), (11633, 1763280), (12245, 1675152), (14220, 1442492), (14694, 1395960), (18960, 1081869), (19592, 1046970), (22041, 930640), (22320, 919007), (23266, 881640), (24490, 837576), (28440, 721246), (29388, 697980), (34899, 587760), (36735, 558384), (39184, 523485), (44082, 465320), (46532, 440820), (48980, 418788), (56880, 360623), (58165, 352656), (58776, 348990), (69798, 293880), (73470, 279192), (88164, 232660), (93064, 220410), (97960, 209394), (104697, 195920), (110205, 186128), (116330, 176328), (117552, 174495), (139596, 146940)]