251681848020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{12827821}}^1$

素因数の和:12827945

約数の個数: 72

約数和(自身を含む): 770438989320

約数和(自身を除く): 518757141300

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 109, 180, 218, 327, 436, 545, 654, 981, 1090, 1308, 1635, 1962, 2180, 3270, 3924, 4905, 6540, 9810, 19620, 12827821, 25655642, 38483463, 51311284, 64139105, 76966926, 115450389, 128278210, 153933852, 192417315, 230900778, 256556420, 384834630, 461801556, 577251945, 769669260, 1154503890, 1398232489, 2309007780, 2796464978, 4194697467, 5592929956, 6991162445, 8389394934, 12584092401, 13982324890, 16778789868, 20973487335, 25168184802, 27964649780, 41946974670, 50336369604, 62920462005, 83893949340, 125840924010, 251681848020]

約数ペア:

[(1, 251681848020), (2, 125840924010), (3, 83893949340), (4, 62920462005), (5, 50336369604), (6, 41946974670), (9, 27964649780), (10, 25168184802), (12, 20973487335), (15, 16778789868), (18, 13982324890), (20, 12584092401), (30, 8389394934), (36, 6991162445), (45, 5592929956), (60, 4194697467), (90, 2796464978), (109, 2309007780), (180, 1398232489), (218, 1154503890), (327, 769669260), (436, 577251945), (545, 461801556), (654, 384834630), (981, 256556420), (1090, 230900778), (1308, 192417315), (1635, 153933852), (1962, 128278210), (2180, 115450389), (3270, 76966926), (3924, 64139105), (4905, 51311284), (6540, 38483463), (9810, 25655642), (19620, 12827821)]