61520740

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{1481}}^1$

素因数の和:1588

約数の個数: 48

約数和(自身を含む): 135442944

約数和(自身を除く): 73922204

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 67, 124, 134, 155, 268, 310, 335, 620, 670, 1340, 1481, 2077, 2962, 4154, 5924, 7405, 8308, 10385, 14810, 20770, 29620, 41540, 45911, 91822, 99227, 183644, 198454, 229555, 396908, 459110, 496135, 918220, 992270, 1984540, 3076037, 6152074, 12304148, 15380185, 30760370, 61520740]

約数ペア:

[(1, 61520740), (2, 30760370), (4, 15380185), (5, 12304148), (10, 6152074), (20, 3076037), (31, 1984540), (62, 992270), (67, 918220), (124, 496135), (134, 459110), (155, 396908), (268, 229555), (310, 198454), (335, 183644), (620, 99227), (670, 91822), (1340, 45911), (1481, 41540), (2077, 29620), (2962, 20770), (4154, 14810), (5924, 10385), (7405, 8308)]