157805460

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1979}}^1$

素因数の和:2437

約数の個数: 72

約数和(自身を含む): 479999520

約数和(自身を除く): 322194060

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1329, 1772, 1979, 2215, 2658, 3958, 3987, 4430, 5316, 5937, 6645, 7916, 7974, 8860, 9895, 11874, 13290, 15948, 17811, 19790, 19935, 23748, 26580, 29685, 35622, 39580, 39870, 59370, 71244, 79740, 89055, 118740, 178110, 356220, 876697, 1753394, 2630091, 3506788, 4383485, 5260182, 7890273, 8766970, 10520364, 13150455, 15780546, 17533940, 26300910, 31561092, 39451365, 52601820, 78902730, 157805460]

約数ペア:

[(1, 157805460), (2, 78902730), (3, 52601820), (4, 39451365), (5, 31561092), (6, 26300910), (9, 17533940), (10, 15780546), (12, 13150455), (15, 10520364), (18, 8766970), (20, 7890273), (30, 5260182), (36, 4383485), (45, 3506788), (60, 2630091), (90, 1753394), (180, 876697), (443, 356220), (886, 178110), (1329, 118740), (1772, 89055), (1979, 79740), (2215, 71244), (2658, 59370), (3958, 39870), (3987, 39580), (4430, 35622), (5316, 29685), (5937, 26580), (6645, 23748), (7916, 19935), (7974, 19790), (8860, 17811), (9895, 15948), (11874, 13290)]