205615260

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{126923}}^1$

素因数の和:126944

約数の個数: 60

約数和(自身を含む): 645027768

約数和(自身を除く): 439412508

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 126923, 253846, 380769, 507692, 634615, 761538, 1142307, 1269230, 1523076, 1903845, 2284614, 2538460, 3426921, 3807690, 4569228, 5711535, 6853842, 7615380, 10280763, 11423070, 13707684, 17134605, 20561526, 22846140, 34269210, 41123052, 51403815, 68538420, 102807630, 205615260]

約数ペア:

[(1, 205615260), (2, 102807630), (3, 68538420), (4, 51403815), (5, 41123052), (6, 34269210), (9, 22846140), (10, 20561526), (12, 17134605), (15, 13707684), (18, 11423070), (20, 10280763), (27, 7615380), (30, 6853842), (36, 5711535), (45, 4569228), (54, 3807690), (60, 3426921), (81, 2538460), (90, 2284614), (108, 1903845), (135, 1523076), (162, 1269230), (180, 1142307), (270, 761538), (324, 634615), (405, 507692), (540, 380769), (810, 253846), (1620, 126923)]