8157660

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{19423}}^1$

素因数の和:19442

約数の個数: 48

約数和(自身を含む): 26105856

約数和(自身を除く): 17948196

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 19423, 38846, 58269, 77692, 97115, 116538, 135961, 194230, 233076, 271922, 291345, 388460, 407883, 543844, 582690, 679805, 815766, 1165380, 1359610, 1631532, 2039415, 2719220, 4078830, 8157660]

約数ペア:

[(1, 8157660), (2, 4078830), (3, 2719220), (4, 2039415), (5, 1631532), (6, 1359610), (7, 1165380), (10, 815766), (12, 679805), (14, 582690), (15, 543844), (20, 407883), (21, 388460), (28, 291345), (30, 271922), (35, 233076), (42, 194230), (60, 135961), (70, 116538), (84, 97115), (105, 77692), (140, 58269), (210, 38846), (420, 19423)]