15087780

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{769}}^1$

素因数の和:893

約数の個数: 72

約数和(自身を含む): 46246200

約数和(自身を除く): 31158420

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, 769, 981, 1090, 1308, 1538, 1635, 1962, 2180, 2307, 3076, 3270, 3845, 3924, 4614, 4905, 6540, 6921, 7690, 9228, 9810, 11535, 13842, 15380, 19620, 23070, 27684, 34605, 46140, 69210, 83821, 138420, 167642, 251463, 335284, 419105, 502926, 754389, 838210, 1005852, 1257315, 1508778, 1676420, 2514630, 3017556, 3771945, 5029260, 7543890, 15087780]

約数ペア:

[(1, 15087780), (2, 7543890), (3, 5029260), (4, 3771945), (5, 3017556), (6, 2514630), (9, 1676420), (10, 1508778), (12, 1257315), (15, 1005852), (18, 838210), (20, 754389), (30, 502926), (36, 419105), (45, 335284), (60, 251463), (90, 167642), (109, 138420), (180, 83821), (218, 69210), (327, 46140), (436, 34605), (545, 27684), (654, 23070), (769, 19620), (981, 15380), (1090, 13842), (1308, 11535), (1538, 9810), (1635, 9228), (1962, 7690), (2180, 6921), (2307, 6540), (3076, 4905), (3270, 4614), (3845, 3924)]