68783960

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{167}}^1\times {\mathrm{1471}}^1$

素因数の和:1656

約数の個数: 64

約数和(自身を含む): 178053120

約数和(自身を除く): 109269160

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 167, 280, 334, 668, 835, 1169, 1336, 1471, 1670, 2338, 2942, 3340, 4676, 5845, 5884, 6680, 7355, 9352, 10297, 11690, 11768, 14710, 20594, 23380, 29420, 41188, 46760, 51485, 58840, 82376, 102970, 205940, 245657, 411880, 491314, 982628, 1228285, 1719599, 1965256, 2456570, 3439198, 4913140, 6878396, 8597995, 9826280, 13756792, 17195990, 34391980, 68783960]

約数ペア:

[(1, 68783960), (2, 34391980), (4, 17195990), (5, 13756792), (7, 9826280), (8, 8597995), (10, 6878396), (14, 4913140), (20, 3439198), (28, 2456570), (35, 1965256), (40, 1719599), (56, 1228285), (70, 982628), (140, 491314), (167, 411880), (280, 245657), (334, 205940), (668, 102970), (835, 82376), (1169, 58840), (1336, 51485), (1471, 46760), (1670, 41188), (2338, 29420), (2942, 23380), (3340, 20594), (4676, 14710), (5845, 11768), (5884, 11690), (6680, 10297), (7355, 9352)]