15555780

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{28807}}^1$

素因数の和:28825

約数の個数: 48

約数和(自身を含む): 48397440

約数和(自身を除く): 32841660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 28807, 57614, 86421, 115228, 144035, 172842, 259263, 288070, 345684, 432105, 518526, 576140, 777789, 864210, 1037052, 1296315, 1555578, 1728420, 2592630, 3111156, 3888945, 5185260, 7777890, 15555780]

約数ペア:

[(1, 15555780), (2, 7777890), (3, 5185260), (4, 3888945), (5, 3111156), (6, 2592630), (9, 1728420), (10, 1555578), (12, 1296315), (15, 1037052), (18, 864210), (20, 777789), (27, 576140), (30, 518526), (36, 432105), (45, 345684), (54, 288070), (60, 259263), (90, 172842), (108, 144035), (135, 115228), (180, 86421), (270, 57614), (540, 28807)]