61530760

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{13613}}^1$

素因数の和:13737

約数の個数: 32

約数和(自身を含む): 139679640

約数和(自身を除く): 78148880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 13613, 27226, 54452, 68065, 108904, 136130, 272260, 544520, 1538269, 3076538, 6153076, 7691345, 12306152, 15382690, 30765380, 61530760]

約数ペア:

[(1, 61530760), (2, 30765380), (4, 15382690), (5, 12306152), (8, 7691345), (10, 6153076), (20, 3076538), (40, 1538269), (113, 544520), (226, 272260), (452, 136130), (565, 108904), (904, 68065), (1130, 54452), (2260, 27226), (4520, 13613)]