15561920

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{4421}}^1$

素因数の和:4449

約数の個数: 56

約数和(自身を含む): 40434768

約数和(自身を除く): 24872848

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 110, 160, 176, 220, 320, 352, 440, 704, 880, 1760, 3520, 4421, 8842, 17684, 22105, 35368, 44210, 48631, 70736, 88420, 97262, 141472, 176840, 194524, 243155, 282944, 353680, 389048, 486310, 707360, 778096, 972620, 1414720, 1556192, 1945240, 3112384, 3890480, 7780960, 15561920]

約数ペア:

[(1, 15561920), (2, 7780960), (4, 3890480), (5, 3112384), (8, 1945240), (10, 1556192), (11, 1414720), (16, 972620), (20, 778096), (22, 707360), (32, 486310), (40, 389048), (44, 353680), (55, 282944), (64, 243155), (80, 194524), (88, 176840), (110, 141472), (160, 97262), (176, 88420), (220, 70736), (320, 48631), (352, 44210), (440, 35368), (704, 22105), (880, 17684), (1760, 8842), (3520, 4421)]