80931960

素因数分解:

$2^3\times 3^4\times 5^1\times {\mathrm{24979}}^1$

素因数の和:25002

約数の個数: 80

約数和(自身を含む): 272032200

約数和(自身を除く): 191100240

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 270, 324, 360, 405, 540, 648, 810, 1080, 1620, 3240, 24979, 49958, 74937, 99916, 124895, 149874, 199832, 224811, 249790, 299748, 374685, 449622, 499580, 599496, 674433, 749370, 899244, 999160, 1124055, 1348866, 1498740, 1798488, 2023299, 2248110, 2697732, 2997480, 3372165, 4046598, 4496220, 5395464, 6744330, 8093196, 8992440, 10116495, 13488660, 16186392, 20232990, 26977320, 40465980, 80931960]

約数ペア:

[(1, 80931960), (2, 40465980), (3, 26977320), (4, 20232990), (5, 16186392), (6, 13488660), (8, 10116495), (9, 8992440), (10, 8093196), (12, 6744330), (15, 5395464), (18, 4496220), (20, 4046598), (24, 3372165), (27, 2997480), (30, 2697732), (36, 2248110), (40, 2023299), (45, 1798488), (54, 1498740), (60, 1348866), (72, 1124055), (81, 999160), (90, 899244), (108, 749370), (120, 674433), (135, 599496), (162, 499580), (180, 449622), (216, 374685), (270, 299748), (324, 249790), (360, 224811), (405, 199832), (540, 149874), (648, 124895), (810, 99916), (1080, 74937), (1620, 49958), (3240, 24979)]