80705040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25867}}^1$

素因数の和:25896

約数の個数: 80

約数和(自身を含む): 269441088

約数和(自身を除く): 188736048

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 195, 208, 240, 260, 312, 390, 520, 624, 780, 1040, 1560, 3120, 25867, 51734, 77601, 103468, 129335, 155202, 206936, 258670, 310404, 336271, 388005, 413872, 517340, 620808, 672542, 776010, 1008813, 1034680, 1241616, 1345084, 1552020, 1681355, 2017626, 2069360, 2690168, 3104040, 3362710, 4035252, 5044065, 5380336, 6208080, 6725420, 8070504, 10088130, 13450840, 16141008, 20176260, 26901680, 40352520, 80705040]

約数ペア:

[(1, 80705040), (2, 40352520), (3, 26901680), (4, 20176260), (5, 16141008), (6, 13450840), (8, 10088130), (10, 8070504), (12, 6725420), (13, 6208080), (15, 5380336), (16, 5044065), (20, 4035252), (24, 3362710), (26, 3104040), (30, 2690168), (39, 2069360), (40, 2017626), (48, 1681355), (52, 1552020), (60, 1345084), (65, 1241616), (78, 1034680), (80, 1008813), (104, 776010), (120, 672542), (130, 620808), (156, 517340), (195, 413872), (208, 388005), (240, 336271), (260, 310404), (312, 258670), (390, 206936), (520, 155202), (624, 129335), (780, 103468), (1040, 77601), (1560, 51734), (3120, 25867)]