81085160

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{283}}^1$

素因数の和:355

約数の個数: 128

約数和(自身を含む): 214704000

約数和(自身を除く): 133618840

約数列:

[1, 2, 4, 5, 8, 10, 13, 19, 20, 26, 29, 38, 40, 52, 58, 65, 76, 95, 104, 116, 130, 145, 152, 190, 232, 247, 260, 283, 290, 377, 380, 494, 520, 551, 566, 580, 754, 760, 988, 1102, 1132, 1160, 1235, 1415, 1508, 1885, 1976, 2204, 2264, 2470, 2755, 2830, 3016, 3679, 3770, 4408, 4940, 5377, 5510, 5660, 7163, 7358, 7540, 8207, 9880, 10754, 11020, 11320, 14326, 14716, 15080, 16414, 18395, 21508, 22040, 26885, 28652, 29432, 32828, 35815, 36790, 41035, 43016, 53770, 57304, 65656, 69901, 71630, 73580, 82070, 106691, 107540, 139802, 143260, 147160, 155933, 164140, 213382, 215080, 279604, 286520, 311866, 328280, 349505, 426764, 533455, 559208, 623732, 699010, 779665, 853528, 1066910, 1247464, 1398020, 1559330, 2027129, 2133820, 2796040, 3118660, 4054258, 4267640, 6237320, 8108516, 10135645, 16217032, 20271290, 40542580, 81085160]

約数ペア:

[(1, 81085160), (2, 40542580), (4, 20271290), (5, 16217032), (8, 10135645), (10, 8108516), (13, 6237320), (19, 4267640), (20, 4054258), (26, 3118660), (29, 2796040), (38, 2133820), (40, 2027129), (52, 1559330), (58, 1398020), (65, 1247464), (76, 1066910), (95, 853528), (104, 779665), (116, 699010), (130, 623732), (145, 559208), (152, 533455), (190, 426764), (232, 349505), (247, 328280), (260, 311866), (283, 286520), (290, 279604), (377, 215080), (380, 213382), (494, 164140), (520, 155933), (551, 147160), (566, 143260), (580, 139802), (754, 107540), (760, 106691), (988, 82070), (1102, 73580), (1132, 71630), (1160, 69901), (1235, 65656), (1415, 57304), (1508, 53770), (1885, 43016), (1976, 41035), (2204, 36790), (2264, 35815), (2470, 32828), (2755, 29432), (2830, 28652), (3016, 26885), (3679, 22040), (3770, 21508), (4408, 18395), (4940, 16414), (5377, 15080), (5510, 14716), (5660, 14326), (7163, 11320), (7358, 11020), (7540, 10754), (8207, 9880)]