161720604

素因数分解:

$2^2\times 3^3\times {\mathrm{181}}^1\times {\mathrm{8273}}^1$

素因数の和:8467

約数の個数: 48

約数和(自身を含む): 421643040

約数和(自身を除く): 259922436

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 181, 362, 543, 724, 1086, 1629, 2172, 3258, 4887, 6516, 8273, 9774, 16546, 19548, 24819, 33092, 49638, 74457, 99276, 148914, 223371, 297828, 446742, 893484, 1497413, 2994826, 4492239, 5989652, 8984478, 13476717, 17968956, 26953434, 40430151, 53906868, 80860302, 161720604]

約数ペア:

[(1, 161720604), (2, 80860302), (3, 53906868), (4, 40430151), (6, 26953434), (9, 17968956), (12, 13476717), (18, 8984478), (27, 5989652), (36, 4492239), (54, 2994826), (108, 1497413), (181, 893484), (362, 446742), (543, 297828), (724, 223371), (1086, 148914), (1629, 99276), (2172, 74457), (3258, 49638), (4887, 33092), (6516, 24819), (8273, 19548), (9774, 16546)]