131320256220

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{439}}^1\times {\mathrm{1661861}}^1$

素因数の和:1662315

約数の個数: 72

約数和(自身を含む): 399245726880

約数和(自身を除く): 267925470660

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 439, 878, 1317, 1756, 2195, 2634, 3951, 4390, 5268, 6585, 7902, 8780, 13170, 15804, 19755, 26340, 39510, 79020, 1661861, 3323722, 4985583, 6647444, 8309305, 9971166, 14956749, 16618610, 19942332, 24927915, 29913498, 33237220, 49855830, 59826996, 74783745, 99711660, 149567490, 299134980, 729556979, 1459113958, 2188670937, 2918227916, 3647784895, 4377341874, 6566012811, 7295569790, 8754683748, 10943354685, 13132025622, 14591139580, 21886709370, 26264051244, 32830064055, 43773418740, 65660128110, 131320256220]

約数ペア:

[(1, 131320256220), (2, 65660128110), (3, 43773418740), (4, 32830064055), (5, 26264051244), (6, 21886709370), (9, 14591139580), (10, 13132025622), (12, 10943354685), (15, 8754683748), (18, 7295569790), (20, 6566012811), (30, 4377341874), (36, 3647784895), (45, 2918227916), (60, 2188670937), (90, 1459113958), (180, 729556979), (439, 299134980), (878, 149567490), (1317, 99711660), (1756, 74783745), (2195, 59826996), (2634, 49855830), (3951, 33237220), (4390, 29913498), (5268, 24927915), (6585, 19942332), (7902, 16618610), (8780, 14956749), (13170, 9971166), (15804, 8309305), (19755, 6647444), (26340, 4985583), (39510, 3323722), (79020, 1661861)]