15661240

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{55933}}^1$

素因数の和:55951

約数の個数: 32

約数和(自身を含む): 40272480

約数和(自身を除く): 24611240

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 55933, 111866, 223732, 279665, 391531, 447464, 559330, 783062, 1118660, 1566124, 1957655, 2237320, 3132248, 3915310, 7830620, 15661240]

約数ペア:

[(1, 15661240), (2, 7830620), (4, 3915310), (5, 3132248), (7, 2237320), (8, 1957655), (10, 1566124), (14, 1118660), (20, 783062), (28, 559330), (35, 447464), (40, 391531), (56, 279665), (70, 223732), (140, 111866), (280, 55933)]