15973620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{20479}}^1$

素因数の和:20504

約数の個数: 48

約数和(自身を含む): 48168960

約数和(自身を除く): 32195340

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 20479, 40958, 61437, 81916, 102395, 122874, 204790, 245748, 266227, 307185, 409580, 532454, 614370, 798681, 1064908, 1228740, 1331135, 1597362, 2662270, 3194724, 3993405, 5324540, 7986810, 15973620]

約数ペア:

[(1, 15973620), (2, 7986810), (3, 5324540), (4, 3993405), (5, 3194724), (6, 2662270), (10, 1597362), (12, 1331135), (13, 1228740), (15, 1064908), (20, 798681), (26, 614370), (30, 532454), (39, 409580), (52, 307185), (60, 266227), (65, 245748), (78, 204790), (130, 122874), (156, 102395), (195, 81916), (260, 61437), (390, 40958), (780, 20479)]