315020440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{631}}^1\times {\mathrm{1783}}^1$

素因数の和:2432

約数の個数: 64

約数和(自身を含む): 811791360

約数和(自身を除く): 496770920

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 631, 1262, 1783, 2524, 3155, 3566, 4417, 5048, 6310, 7132, 8834, 8915, 12481, 12620, 14264, 17668, 17830, 22085, 24962, 25240, 35336, 35660, 44170, 49924, 62405, 71320, 88340, 99848, 124810, 176680, 249620, 499240, 1125073, 2250146, 4500292, 5625365, 7875511, 9000584, 11250730, 15751022, 22501460, 31502044, 39377555, 45002920, 63004088, 78755110, 157510220, 315020440]

約数ペア:

[(1, 315020440), (2, 157510220), (4, 78755110), (5, 63004088), (7, 45002920), (8, 39377555), (10, 31502044), (14, 22501460), (20, 15751022), (28, 11250730), (35, 9000584), (40, 7875511), (56, 5625365), (70, 4500292), (140, 2250146), (280, 1125073), (631, 499240), (1262, 249620), (1783, 176680), (2524, 124810), (3155, 99848), (3566, 88340), (4417, 71320), (5048, 62405), (6310, 49924), (7132, 44170), (8834, 35660), (8915, 35336), (12481, 25240), (12620, 24962), (14264, 22085), (17668, 17830)]