15815240

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{8069}}^1$

素因数の和:8094

約数の個数: 48

約数和(自身を含む): 41399100

約数和(自身を除く): 25583860

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 49, 56, 70, 98, 140, 196, 245, 280, 392, 490, 980, 1960, 8069, 16138, 32276, 40345, 56483, 64552, 80690, 112966, 161380, 225932, 282415, 322760, 395381, 451864, 564830, 790762, 1129660, 1581524, 1976905, 2259320, 3163048, 3953810, 7907620, 15815240]

約数ペア:

[(1, 15815240), (2, 7907620), (4, 3953810), (5, 3163048), (7, 2259320), (8, 1976905), (10, 1581524), (14, 1129660), (20, 790762), (28, 564830), (35, 451864), (40, 395381), (49, 322760), (56, 282415), (70, 225932), (98, 161380), (140, 112966), (196, 80690), (245, 64552), (280, 56483), (392, 40345), (490, 32276), (980, 16138), (1960, 8069)]