120951320

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{487}}^1\times {\mathrm{887}}^1$

素因数の和:1392

約数の個数: 64

約数和(自身を含む): 312007680

約数和(自身を除く): 191056360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 487, 887, 974, 1774, 1948, 2435, 3409, 3548, 3896, 4435, 4870, 6209, 6818, 7096, 8870, 9740, 12418, 13636, 17045, 17740, 19480, 24836, 27272, 31045, 34090, 35480, 49672, 62090, 68180, 124180, 136360, 248360, 431969, 863938, 1727876, 2159845, 3023783, 3455752, 4319690, 6047566, 8639380, 12095132, 15118915, 17278760, 24190264, 30237830, 60475660, 120951320]

約数ペア:

[(1, 120951320), (2, 60475660), (4, 30237830), (5, 24190264), (7, 17278760), (8, 15118915), (10, 12095132), (14, 8639380), (20, 6047566), (28, 4319690), (35, 3455752), (40, 3023783), (56, 2159845), (70, 1727876), (140, 863938), (280, 431969), (487, 248360), (887, 136360), (974, 124180), (1774, 68180), (1948, 62090), (2435, 49672), (3409, 35480), (3548, 34090), (3896, 31045), (4435, 27272), (4870, 24836), (6209, 19480), (6818, 17740), (7096, 17045), (8870, 13636), (9740, 12418)]