15351980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{2069}}^1$

素因数の和:2138

約数の個数: 48

約数和(自身を含む): 37558080

約数和(自身を除く): 22206100

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 53, 70, 106, 140, 212, 265, 371, 530, 742, 1060, 1484, 1855, 2069, 3710, 4138, 7420, 8276, 10345, 14483, 20690, 28966, 41380, 57932, 72415, 109657, 144830, 219314, 289660, 438628, 548285, 767599, 1096570, 1535198, 2193140, 3070396, 3837995, 7675990, 15351980]

約数ペア:

[(1, 15351980), (2, 7675990), (4, 3837995), (5, 3070396), (7, 2193140), (10, 1535198), (14, 1096570), (20, 767599), (28, 548285), (35, 438628), (53, 289660), (70, 219314), (106, 144830), (140, 109657), (212, 72415), (265, 57932), (371, 41380), (530, 28966), (742, 20690), (1060, 14483), (1484, 10345), (1855, 8276), (2069, 7420), (3710, 4138)]