7640920

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{941}}^1$

素因数の和:988

約数の個数: 64

約数和(自身を含む): 20347200

約数和(自身を除く): 12706280

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 29, 35, 40, 56, 58, 70, 116, 140, 145, 203, 232, 280, 290, 406, 580, 812, 941, 1015, 1160, 1624, 1882, 2030, 3764, 4060, 4705, 6587, 7528, 8120, 9410, 13174, 18820, 26348, 27289, 32935, 37640, 52696, 54578, 65870, 109156, 131740, 136445, 191023, 218312, 263480, 272890, 382046, 545780, 764092, 955115, 1091560, 1528184, 1910230, 3820460, 7640920]

約数ペア:

[(1, 7640920), (2, 3820460), (4, 1910230), (5, 1528184), (7, 1091560), (8, 955115), (10, 764092), (14, 545780), (20, 382046), (28, 272890), (29, 263480), (35, 218312), (40, 191023), (56, 136445), (58, 131740), (70, 109156), (116, 65870), (140, 54578), (145, 52696), (203, 37640), (232, 32935), (280, 27289), (290, 26348), (406, 18820), (580, 13174), (812, 9410), (941, 8120), (1015, 7528), (1160, 6587), (1624, 4705), (1882, 4060), (2030, 3764)]