215683760

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{158591}}^1$

素因数の和:158621

約数の個数: 40

約数和(自身を含む): 530966016

約数和(自身を除く): 315282256

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 158591, 317182, 634364, 792955, 1268728, 1585910, 2537456, 2696047, 3171820, 5392094, 6343640, 10784188, 12687280, 13480235, 21568376, 26960470, 43136752, 53920940, 107841880, 215683760]

約数ペア:

[(1, 215683760), (2, 107841880), (4, 53920940), (5, 43136752), (8, 26960470), (10, 21568376), (16, 13480235), (17, 12687280), (20, 10784188), (34, 6343640), (40, 5392094), (68, 3171820), (80, 2696047), (85, 2537456), (136, 1585910), (170, 1268728), (272, 792955), (340, 634364), (680, 317182), (1360, 158591)]