2015217820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1308583}}^1$

素因数の和:1308610

約数の個数: 48

約数和(自身を含む): 5276210688

約数和(自身を除く): 3260992868

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 110, 140, 154, 220, 308, 385, 770, 1540, 1308583, 2617166, 5234332, 6542915, 9160081, 13085830, 14394413, 18320162, 26171660, 28788826, 36640324, 45800405, 57577652, 71972065, 91600810, 100760891, 143944130, 183201620, 201521782, 287888260, 403043564, 503804455, 1007608910, 2015217820]

約数ペア:

[(1, 2015217820), (2, 1007608910), (4, 503804455), (5, 403043564), (7, 287888260), (10, 201521782), (11, 183201620), (14, 143944130), (20, 100760891), (22, 91600810), (28, 71972065), (35, 57577652), (44, 45800405), (55, 36640324), (70, 28788826), (77, 26171660), (110, 18320162), (140, 14394413), (154, 13085830), (220, 9160081), (308, 6542915), (385, 5234332), (770, 2617166), (1540, 1308583)]