251943240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{4987}}^1$

素因数の和:5422

約数の個数: 64

約数和(自身を含む): 757776960

約数和(自身を除く): 505833720

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1684, 2105, 2526, 3368, 4210, 4987, 5052, 6315, 8420, 9974, 10104, 12630, 14961, 16840, 19948, 24935, 25260, 29922, 39896, 49870, 50520, 59844, 74805, 99740, 119688, 149610, 199480, 299220, 598440, 2099527, 4199054, 6298581, 8398108, 10497635, 12597162, 16796216, 20995270, 25194324, 31492905, 41990540, 50388648, 62985810, 83981080, 125971620, 251943240]

約数ペア:

[(1, 251943240), (2, 125971620), (3, 83981080), (4, 62985810), (5, 50388648), (6, 41990540), (8, 31492905), (10, 25194324), (12, 20995270), (15, 16796216), (20, 12597162), (24, 10497635), (30, 8398108), (40, 6298581), (60, 4199054), (120, 2099527), (421, 598440), (842, 299220), (1263, 199480), (1684, 149610), (2105, 119688), (2526, 99740), (3368, 74805), (4210, 59844), (4987, 50520), (5052, 49870), (6315, 39896), (8420, 29922), (9974, 25260), (10104, 24935), (12630, 19948), (14961, 16840)]