123507040

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^2\times {\mathrm{2671}}^1$

素因数の和:2720

約数の個数: 72

約数和(自身を含む): 310074912

約数和(自身を除く): 186567872

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 289, 340, 544, 578, 680, 1156, 1360, 1445, 2312, 2671, 2720, 2890, 4624, 5342, 5780, 9248, 10684, 11560, 13355, 21368, 23120, 26710, 42736, 45407, 46240, 53420, 85472, 90814, 106840, 181628, 213680, 227035, 363256, 427360, 454070, 726512, 771919, 908140, 1453024, 1543838, 1816280, 3087676, 3632560, 3859595, 6175352, 7265120, 7719190, 12350704, 15438380, 24701408, 30876760, 61753520, 123507040]

約数ペア:

[(1, 123507040), (2, 61753520), (4, 30876760), (5, 24701408), (8, 15438380), (10, 12350704), (16, 7719190), (17, 7265120), (20, 6175352), (32, 3859595), (34, 3632560), (40, 3087676), (68, 1816280), (80, 1543838), (85, 1453024), (136, 908140), (160, 771919), (170, 726512), (272, 454070), (289, 427360), (340, 363256), (544, 227035), (578, 213680), (680, 181628), (1156, 106840), (1360, 90814), (1445, 85472), (2312, 53420), (2671, 46240), (2720, 45407), (2890, 42736), (4624, 26710), (5342, 23120), (5780, 21368), (9248, 13355), (10684, 11560)]