157435640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^2\times {\mathrm{13619}}^1$

素因数の和:13664

約数の個数: 48

約数和(自身を含む): 376320600

約数和(自身を除く): 218884960

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 289, 340, 578, 680, 1156, 1445, 2312, 2890, 5780, 11560, 13619, 27238, 54476, 68095, 108952, 136190, 231523, 272380, 463046, 544760, 926092, 1157615, 1852184, 2315230, 3935891, 4630460, 7871782, 9260920, 15743564, 19679455, 31487128, 39358910, 78717820, 157435640]

約数ペア:

[(1, 157435640), (2, 78717820), (4, 39358910), (5, 31487128), (8, 19679455), (10, 15743564), (17, 9260920), (20, 7871782), (34, 4630460), (40, 3935891), (68, 2315230), (85, 1852184), (136, 1157615), (170, 926092), (289, 544760), (340, 463046), (578, 272380), (680, 231523), (1156, 136190), (1445, 108952), (2312, 68095), (2890, 54476), (5780, 27238), (11560, 13619)]