80946840

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2731}}^1$

素因数の和:2777

約数の個数: 128

約数和(自身を含む): 275385600

約数和(自身を除く): 194438760

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 19, 20, 24, 26, 30, 38, 39, 40, 52, 57, 60, 65, 76, 78, 95, 104, 114, 120, 130, 152, 156, 190, 195, 228, 247, 260, 285, 312, 380, 390, 456, 494, 520, 570, 741, 760, 780, 988, 1140, 1235, 1482, 1560, 1976, 2280, 2470, 2731, 2964, 3705, 4940, 5462, 5928, 7410, 8193, 9880, 10924, 13655, 14820, 16386, 21848, 27310, 29640, 32772, 35503, 40965, 51889, 54620, 65544, 71006, 81930, 103778, 106509, 109240, 142012, 155667, 163860, 177515, 207556, 213018, 259445, 284024, 311334, 327720, 355030, 415112, 426036, 518890, 532545, 622668, 674557, 710060, 778335, 852072, 1037780, 1065090, 1245336, 1349114, 1420120, 1556670, 2023671, 2075560, 2130180, 2698228, 3113340, 3372785, 4047342, 4260360, 5396456, 6226680, 6745570, 8094684, 10118355, 13491140, 16189368, 20236710, 26982280, 40473420, 80946840]

約数ペア:

[(1, 80946840), (2, 40473420), (3, 26982280), (4, 20236710), (5, 16189368), (6, 13491140), (8, 10118355), (10, 8094684), (12, 6745570), (13, 6226680), (15, 5396456), (19, 4260360), (20, 4047342), (24, 3372785), (26, 3113340), (30, 2698228), (38, 2130180), (39, 2075560), (40, 2023671), (52, 1556670), (57, 1420120), (60, 1349114), (65, 1245336), (76, 1065090), (78, 1037780), (95, 852072), (104, 778335), (114, 710060), (120, 674557), (130, 622668), (152, 532545), (156, 518890), (190, 426036), (195, 415112), (228, 355030), (247, 327720), (260, 311334), (285, 284024), (312, 259445), (380, 213018), (390, 207556), (456, 177515), (494, 163860), (520, 155667), (570, 142012), (741, 109240), (760, 106509), (780, 103778), (988, 81930), (1140, 71006), (1235, 65544), (1482, 54620), (1560, 51889), (1976, 40965), (2280, 35503), (2470, 32772), (2731, 29640), (2964, 27310), (3705, 21848), (4940, 16386), (5462, 14820), (5928, 13655), (7410, 10924), (8193, 9880)]