80952760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{2207}}^1$

素因数の和:2356

約数の個数: 64

約数和(自身を含む): 209848320

約数和(自身を除く): 128895560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1834, 2207, 2620, 3668, 4414, 4585, 5240, 7336, 8828, 9170, 11035, 15449, 17656, 18340, 22070, 30898, 36680, 44140, 61796, 77245, 88280, 123592, 154490, 289117, 308980, 578234, 617960, 1156468, 1445585, 2023819, 2312936, 2891170, 4047638, 5782340, 8095276, 10119095, 11564680, 16190552, 20238190, 40476380, 80952760]

約数ペア:

[(1, 80952760), (2, 40476380), (4, 20238190), (5, 16190552), (7, 11564680), (8, 10119095), (10, 8095276), (14, 5782340), (20, 4047638), (28, 2891170), (35, 2312936), (40, 2023819), (56, 1445585), (70, 1156468), (131, 617960), (140, 578234), (262, 308980), (280, 289117), (524, 154490), (655, 123592), (917, 88280), (1048, 77245), (1310, 61796), (1834, 44140), (2207, 36680), (2620, 30898), (3668, 22070), (4414, 18340), (4585, 17656), (5240, 15449), (7336, 11035), (8828, 9170)]