80310440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{233}}^1\times {\mathrm{1231}}^1$

素因数の和:1482

約数の個数: 64

約数和(自身を含む): 207567360

約数和(自身を除く): 127256920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 233, 280, 466, 932, 1165, 1231, 1631, 1864, 2330, 2462, 3262, 4660, 4924, 6155, 6524, 8155, 8617, 9320, 9848, 12310, 13048, 16310, 17234, 24620, 32620, 34468, 43085, 49240, 65240, 68936, 86170, 172340, 286823, 344680, 573646, 1147292, 1434115, 2007761, 2294584, 2868230, 4015522, 5736460, 8031044, 10038805, 11472920, 16062088, 20077610, 40155220, 80310440]

約数ペア:

[(1, 80310440), (2, 40155220), (4, 20077610), (5, 16062088), (7, 11472920), (8, 10038805), (10, 8031044), (14, 5736460), (20, 4015522), (28, 2868230), (35, 2294584), (40, 2007761), (56, 1434115), (70, 1147292), (140, 573646), (233, 344680), (280, 286823), (466, 172340), (932, 86170), (1165, 68936), (1231, 65240), (1631, 49240), (1864, 43085), (2330, 34468), (2462, 32620), (3262, 24620), (4660, 17234), (4924, 16310), (6155, 13048), (6524, 12310), (8155, 9848), (8617, 9320)]