31609480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{1429}}^1$

素因数の和:1526

約数の個数: 64

約数和(自身を含む): 82368000

約数和(自身を除く): 50758520

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 79, 140, 158, 280, 316, 395, 553, 632, 790, 1106, 1429, 1580, 2212, 2765, 2858, 3160, 4424, 5530, 5716, 7145, 10003, 11060, 11432, 14290, 20006, 22120, 28580, 40012, 50015, 57160, 80024, 100030, 112891, 200060, 225782, 400120, 451564, 564455, 790237, 903128, 1128910, 1580474, 2257820, 3160948, 3951185, 4515640, 6321896, 7902370, 15804740, 31609480]

約数ペア:

[(1, 31609480), (2, 15804740), (4, 7902370), (5, 6321896), (7, 4515640), (8, 3951185), (10, 3160948), (14, 2257820), (20, 1580474), (28, 1128910), (35, 903128), (40, 790237), (56, 564455), (70, 451564), (79, 400120), (140, 225782), (158, 200060), (280, 112891), (316, 100030), (395, 80024), (553, 57160), (632, 50015), (790, 40012), (1106, 28580), (1429, 22120), (1580, 20006), (2212, 14290), (2765, 11432), (2858, 11060), (3160, 10003), (4424, 7145), (5530, 5716)]