82617640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2707}}^1$

素因数の和:2834

約数の個数: 64

約数和(自身を含む): 214473600

約数和(自身を除く): 131855960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 872, 1090, 1526, 2180, 2707, 3052, 3815, 4360, 5414, 6104, 7630, 10828, 13535, 15260, 18949, 21656, 27070, 30520, 37898, 54140, 75796, 94745, 108280, 151592, 189490, 295063, 378980, 590126, 757960, 1180252, 1475315, 2065441, 2360504, 2950630, 4130882, 5901260, 8261764, 10327205, 11802520, 16523528, 20654410, 41308820, 82617640]

約数ペア:

[(1, 82617640), (2, 41308820), (4, 20654410), (5, 16523528), (7, 11802520), (8, 10327205), (10, 8261764), (14, 5901260), (20, 4130882), (28, 2950630), (35, 2360504), (40, 2065441), (56, 1475315), (70, 1180252), (109, 757960), (140, 590126), (218, 378980), (280, 295063), (436, 189490), (545, 151592), (763, 108280), (872, 94745), (1090, 75796), (1526, 54140), (2180, 37898), (2707, 30520), (3052, 27070), (3815, 21656), (4360, 18949), (5414, 15260), (6104, 13535), (7630, 10828)]