321370760

素因数分解:

$2^3\times 5^1\times {\mathrm{587}}^1\times {\mathrm{13687}}^1$

素因数の和:14285

約数の個数: 32

約数和(自身を含む): 724368960

約数和(自身を除く): 402998200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 587, 1174, 2348, 2935, 4696, 5870, 11740, 13687, 23480, 27374, 54748, 68435, 109496, 136870, 273740, 547480, 8034269, 16068538, 32137076, 40171345, 64274152, 80342690, 160685380, 321370760]

約数ペア:

[(1, 321370760), (2, 160685380), (4, 80342690), (5, 64274152), (8, 40171345), (10, 32137076), (20, 16068538), (40, 8034269), (587, 547480), (1174, 273740), (2348, 136870), (2935, 109496), (4696, 68435), (5870, 54748), (11740, 27374), (13687, 23480)]