155870820

素因数分解:

$2^2\times 3^2\times 5^1\times 7^1\times {\mathrm{123707}}^1$

素因数の和:123729

約数の個数: 72

約数和(自身を含む): 540356544

約数和(自身を除く): 384485724

約数列:

[1, 2, 3, 4, 5, 6, 7, 9, 10, 12, 14, 15, 18, 20, 21, 28, 30, 35, 36, 42, 45, 60, 63, 70, 84, 90, 105, 126, 140, 180, 210, 252, 315, 420, 630, 1260, 123707, 247414, 371121, 494828, 618535, 742242, 865949, 1113363, 1237070, 1484484, 1731898, 1855605, 2226726, 2474140, 2597847, 3463796, 3711210, 4329745, 4453452, 5195694, 5566815, 7422420, 7793541, 8659490, 10391388, 11133630, 12989235, 15587082, 17318980, 22267260, 25978470, 31174164, 38967705, 51956940, 77935410, 155870820]

約数ペア:

[(1, 155870820), (2, 77935410), (3, 51956940), (4, 38967705), (5, 31174164), (6, 25978470), (7, 22267260), (9, 17318980), (10, 15587082), (12, 12989235), (14, 11133630), (15, 10391388), (18, 8659490), (20, 7793541), (21, 7422420), (28, 5566815), (30, 5195694), (35, 4453452), (36, 4329745), (42, 3711210), (45, 3463796), (60, 2597847), (63, 2474140), (70, 2226726), (84, 1855605), (90, 1731898), (105, 1484484), (126, 1237070), (140, 1113363), (180, 865949), (210, 742242), (252, 618535), (315, 494828), (420, 371121), (630, 247414), (1260, 123707)]