80434760

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{103}}^1\times {\mathrm{2789}}^1$

素因数の和:2910

約数の個数: 64

約数和(自身を含む): 208915200

約数和(自身を除く): 128480440

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 103, 140, 206, 280, 412, 515, 721, 824, 1030, 1442, 2060, 2789, 2884, 3605, 4120, 5578, 5768, 7210, 11156, 13945, 14420, 19523, 22312, 27890, 28840, 39046, 55780, 78092, 97615, 111560, 156184, 195230, 287267, 390460, 574534, 780920, 1149068, 1436335, 2010869, 2298136, 2872670, 4021738, 5745340, 8043476, 10054345, 11490680, 16086952, 20108690, 40217380, 80434760]

約数ペア:

[(1, 80434760), (2, 40217380), (4, 20108690), (5, 16086952), (7, 11490680), (8, 10054345), (10, 8043476), (14, 5745340), (20, 4021738), (28, 2872670), (35, 2298136), (40, 2010869), (56, 1436335), (70, 1149068), (103, 780920), (140, 574534), (206, 390460), (280, 287267), (412, 195230), (515, 156184), (721, 111560), (824, 97615), (1030, 78092), (1442, 55780), (2060, 39046), (2789, 28840), (2884, 27890), (3605, 22312), (4120, 19523), (5578, 14420), (5768, 13945), (7210, 11156)]