82378520

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{1231}}^1$

素因数の和:1488

約数の個数: 64

約数和(自身を含む): 212889600

約数和(自身を除く): 130511080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1231, 1673, 1912, 2390, 2462, 3346, 4780, 4924, 6155, 6692, 8365, 8617, 9560, 9848, 12310, 13384, 16730, 17234, 24620, 33460, 34468, 43085, 49240, 66920, 68936, 86170, 172340, 294209, 344680, 588418, 1176836, 1471045, 2059463, 2353672, 2942090, 4118926, 5884180, 8237852, 10297315, 11768360, 16475704, 20594630, 41189260, 82378520]

約数ペア:

[(1, 82378520), (2, 41189260), (4, 20594630), (5, 16475704), (7, 11768360), (8, 10297315), (10, 8237852), (14, 5884180), (20, 4118926), (28, 2942090), (35, 2353672), (40, 2059463), (56, 1471045), (70, 1176836), (140, 588418), (239, 344680), (280, 294209), (478, 172340), (956, 86170), (1195, 68936), (1231, 66920), (1673, 49240), (1912, 43085), (2390, 34468), (2462, 33460), (3346, 24620), (4780, 17234), (4924, 16730), (6155, 13384), (6692, 12310), (8365, 9848), (8617, 9560)]