261828870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{212869}}^1$

素因数の和:212920

約数の個数: 32

約数和(自身を含む): 643718880

約数和(自身を除く): 381890010

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 212869, 425738, 638607, 1064345, 1277214, 2128690, 3193035, 6386070, 8727629, 17455258, 26182887, 43638145, 52365774, 87276290, 130914435, 261828870]

約数ペア:

[(1, 261828870), (2, 130914435), (3, 87276290), (5, 52365774), (6, 43638145), (10, 26182887), (15, 17455258), (30, 8727629), (41, 6386070), (82, 3193035), (123, 2128690), (205, 1277214), (246, 1064345), (410, 638607), (615, 425738), (1230, 212869)]