64655220

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{153941}}^1$

素因数の和:153960

約数の個数: 48

約数和(自身を含む): 206898048

約数和(自身を除く): 142242828

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 153941, 307882, 461823, 615764, 769705, 923646, 1077587, 1539410, 1847292, 2155174, 2309115, 3078820, 3232761, 4310348, 4618230, 5387935, 6465522, 9236460, 10775870, 12931044, 16163805, 21551740, 32327610, 64655220]

約数ペア:

[(1, 64655220), (2, 32327610), (3, 21551740), (4, 16163805), (5, 12931044), (6, 10775870), (7, 9236460), (10, 6465522), (12, 5387935), (14, 4618230), (15, 4310348), (20, 3232761), (21, 3078820), (28, 2309115), (30, 2155174), (35, 1847292), (42, 1539410), (60, 1077587), (70, 923646), (84, 769705), (105, 615764), (140, 461823), (210, 307882), (420, 153941)]