15378100

素因数分解:

$2^2\times 5^2\times {\mathrm{61}}^1\times {\mathrm{2521}}^1$

素因数の和:2596

約数の個数: 36

約数和(自身を含む): 33930988

約数和(自身を除く): 18552888

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 61, 100, 122, 244, 305, 610, 1220, 1525, 2521, 3050, 5042, 6100, 10084, 12605, 25210, 50420, 63025, 126050, 153781, 252100, 307562, 615124, 768905, 1537810, 3075620, 3844525, 7689050, 15378100]

約数ペア:

[(1, 15378100), (2, 7689050), (4, 3844525), (5, 3075620), (10, 1537810), (20, 768905), (25, 615124), (50, 307562), (61, 252100), (100, 153781), (122, 126050), (244, 63025), (305, 50420), (610, 25210), (1220, 12605), (1525, 10084), (2521, 6100), (3050, 5042)]