157328920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{239}}^1\times {\mathrm{2351}}^1$

素因数の和:2608

約数の個数: 64

約数和(自身を含む): 406425600

約数和(自身を除く): 249096680

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 239, 280, 478, 956, 1195, 1673, 1912, 2351, 2390, 3346, 4702, 4780, 6692, 8365, 9404, 9560, 11755, 13384, 16457, 16730, 18808, 23510, 32914, 33460, 47020, 65828, 66920, 82285, 94040, 131656, 164570, 329140, 561889, 658280, 1123778, 2247556, 2809445, 3933223, 4495112, 5618890, 7866446, 11237780, 15732892, 19666115, 22475560, 31465784, 39332230, 78664460, 157328920]

約数ペア:

[(1, 157328920), (2, 78664460), (4, 39332230), (5, 31465784), (7, 22475560), (8, 19666115), (10, 15732892), (14, 11237780), (20, 7866446), (28, 5618890), (35, 4495112), (40, 3933223), (56, 2809445), (70, 2247556), (140, 1123778), (239, 658280), (280, 561889), (478, 329140), (956, 164570), (1195, 131656), (1673, 94040), (1912, 82285), (2351, 66920), (2390, 65828), (3346, 47020), (4702, 33460), (4780, 32914), (6692, 23510), (8365, 18808), (9404, 16730), (9560, 16457), (11755, 13384)]