440193780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{8179}}^1$

素因数の和:8230

約数の個数: 144

約数和(自身を含む): 1500670080

約数和(自身を除く): 1060476300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 13, 15, 18, 20, 23, 26, 30, 36, 39, 45, 46, 52, 60, 65, 69, 78, 90, 92, 115, 117, 130, 138, 156, 180, 195, 207, 230, 234, 260, 276, 299, 345, 390, 414, 460, 468, 585, 598, 690, 780, 828, 897, 1035, 1170, 1196, 1380, 1495, 1794, 2070, 2340, 2691, 2990, 3588, 4140, 4485, 5382, 5980, 8179, 8970, 10764, 13455, 16358, 17940, 24537, 26910, 32716, 40895, 49074, 53820, 73611, 81790, 98148, 106327, 122685, 147222, 163580, 188117, 212654, 245370, 294444, 318981, 368055, 376234, 425308, 490740, 531635, 564351, 637962, 736110, 752468, 940585, 956943, 1063270, 1128702, 1275924, 1472220, 1594905, 1693053, 1881170, 1913886, 2126540, 2257404, 2445521, 2821755, 3189810, 3386106, 3762340, 3827772, 4784715, 4891042, 5643510, 6379620, 6772212, 7336563, 8465265, 9569430, 9782084, 11287020, 12227605, 14673126, 16930530, 19138860, 22009689, 24455210, 29346252, 33861060, 36682815, 44019378, 48910420, 73365630, 88038756, 110048445, 146731260, 220096890, 440193780]

約数ペア:

[(1, 440193780), (2, 220096890), (3, 146731260), (4, 110048445), (5, 88038756), (6, 73365630), (9, 48910420), (10, 44019378), (12, 36682815), (13, 33861060), (15, 29346252), (18, 24455210), (20, 22009689), (23, 19138860), (26, 16930530), (30, 14673126), (36, 12227605), (39, 11287020), (45, 9782084), (46, 9569430), (52, 8465265), (60, 7336563), (65, 6772212), (69, 6379620), (78, 5643510), (90, 4891042), (92, 4784715), (115, 3827772), (117, 3762340), (130, 3386106), (138, 3189810), (156, 2821755), (180, 2445521), (195, 2257404), (207, 2126540), (230, 1913886), (234, 1881170), (260, 1693053), (276, 1594905), (299, 1472220), (345, 1275924), (390, 1128702), (414, 1063270), (460, 956943), (468, 940585), (585, 752468), (598, 736110), (690, 637962), (780, 564351), (828, 531635), (897, 490740), (1035, 425308), (1170, 376234), (1196, 368055), (1380, 318981), (1495, 294444), (1794, 245370), (2070, 212654), (2340, 188117), (2691, 163580), (2990, 147222), (3588, 122685), (4140, 106327), (4485, 98148), (5382, 81790), (5980, 73611), (8179, 53820), (8970, 49074), (10764, 40895), (13455, 32716), (16358, 26910), (17940, 24537)]