281690760

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3407}}^1$

素因数の和:3487

約数の個数: 128

約数和(自身を含む): 927521280

約数和(自身を除く): 645830520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 53, 60, 65, 78, 104, 106, 120, 130, 156, 159, 195, 212, 260, 265, 312, 318, 390, 424, 520, 530, 636, 689, 780, 795, 1060, 1272, 1378, 1560, 1590, 2067, 2120, 2756, 3180, 3407, 3445, 4134, 5512, 6360, 6814, 6890, 8268, 10221, 10335, 13628, 13780, 16536, 17035, 20442, 20670, 27256, 27560, 34070, 40884, 41340, 44291, 51105, 68140, 81768, 82680, 88582, 102210, 132873, 136280, 177164, 180571, 204420, 221455, 265746, 354328, 361142, 408840, 442910, 531492, 541713, 664365, 722284, 885820, 902855, 1062984, 1083426, 1328730, 1444568, 1771640, 1805710, 2166852, 2347423, 2657460, 2708565, 3611420, 4333704, 4694846, 5314920, 5417130, 7042269, 7222840, 9389692, 10834260, 11737115, 14084538, 18779384, 21668520, 23474230, 28169076, 35211345, 46948460, 56338152, 70422690, 93896920, 140845380, 281690760]

約数ペア:

[(1, 281690760), (2, 140845380), (3, 93896920), (4, 70422690), (5, 56338152), (6, 46948460), (8, 35211345), (10, 28169076), (12, 23474230), (13, 21668520), (15, 18779384), (20, 14084538), (24, 11737115), (26, 10834260), (30, 9389692), (39, 7222840), (40, 7042269), (52, 5417130), (53, 5314920), (60, 4694846), (65, 4333704), (78, 3611420), (104, 2708565), (106, 2657460), (120, 2347423), (130, 2166852), (156, 1805710), (159, 1771640), (195, 1444568), (212, 1328730), (260, 1083426), (265, 1062984), (312, 902855), (318, 885820), (390, 722284), (424, 664365), (520, 541713), (530, 531492), (636, 442910), (689, 408840), (780, 361142), (795, 354328), (1060, 265746), (1272, 221455), (1378, 204420), (1560, 180571), (1590, 177164), (2067, 136280), (2120, 132873), (2756, 102210), (3180, 88582), (3407, 82680), (3445, 81768), (4134, 68140), (5512, 51105), (6360, 44291), (6814, 41340), (6890, 40884), (8268, 34070), (10221, 27560), (10335, 27256), (13628, 20670), (13780, 20442), (16536, 17035)]