80457660

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{443}}^1\times {\mathrm{1009}}^1$

素因数の和:1467

約数の個数: 72

約数和(自身を含む): 244848240

約数和(自身を除く): 164390580

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 443, 886, 1009, 1329, 1772, 2018, 2215, 2658, 3027, 3987, 4036, 4430, 5045, 5316, 6054, 6645, 7974, 8860, 9081, 10090, 12108, 13290, 15135, 15948, 18162, 19935, 20180, 26580, 30270, 36324, 39870, 45405, 60540, 79740, 90810, 181620, 446987, 893974, 1340961, 1787948, 2234935, 2681922, 4022883, 4469870, 5363844, 6704805, 8045766, 8939740, 13409610, 16091532, 20114415, 26819220, 40228830, 80457660]

約数ペア:

[(1, 80457660), (2, 40228830), (3, 26819220), (4, 20114415), (5, 16091532), (6, 13409610), (9, 8939740), (10, 8045766), (12, 6704805), (15, 5363844), (18, 4469870), (20, 4022883), (30, 2681922), (36, 2234935), (45, 1787948), (60, 1340961), (90, 893974), (180, 446987), (443, 181620), (886, 90810), (1009, 79740), (1329, 60540), (1772, 45405), (2018, 39870), (2215, 36324), (2658, 30270), (3027, 26580), (3987, 20180), (4036, 19935), (4430, 18162), (5045, 15948), (5316, 15135), (6054, 13290), (6645, 12108), (7974, 10090), (8860, 9081)]