79977780

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{49369}}^1$

素因数の和:49390

約数の個数: 60

約数和(自身を含む): 250898340

約数和(自身を除く): 170920560

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 49369, 98738, 148107, 197476, 246845, 296214, 444321, 493690, 592428, 740535, 888642, 987380, 1332963, 1481070, 1777284, 2221605, 2665926, 2962140, 3998889, 4443210, 5331852, 6664815, 7997778, 8886420, 13329630, 15995556, 19994445, 26659260, 39988890, 79977780]

約数ペア:

[(1, 79977780), (2, 39988890), (3, 26659260), (4, 19994445), (5, 15995556), (6, 13329630), (9, 8886420), (10, 7997778), (12, 6664815), (15, 5331852), (18, 4443210), (20, 3998889), (27, 2962140), (30, 2665926), (36, 2221605), (45, 1777284), (54, 1481070), (60, 1332963), (81, 987380), (90, 888642), (108, 740535), (135, 592428), (162, 493690), (180, 444321), (270, 296214), (324, 246845), (405, 197476), (540, 148107), (810, 98738), (1620, 49369)]