77271920

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{277}}^1\times {\mathrm{317}}^1$

素因数の和:618

約数の個数: 80

約数和(自身を含む): 197317728

約数和(自身を除く): 120045808

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 277, 317, 440, 554, 634, 880, 1108, 1268, 1385, 1585, 2216, 2536, 2770, 3047, 3170, 3487, 4432, 5072, 5540, 6094, 6340, 6974, 11080, 12188, 12680, 13948, 15235, 17435, 22160, 24376, 25360, 27896, 30470, 34870, 48752, 55792, 60940, 69740, 87809, 121880, 139480, 175618, 243760, 278960, 351236, 439045, 702472, 878090, 965899, 1404944, 1756180, 1931798, 3512360, 3863596, 4829495, 7024720, 7727192, 9658990, 15454384, 19317980, 38635960, 77271920]

約数ペア:

[(1, 77271920), (2, 38635960), (4, 19317980), (5, 15454384), (8, 9658990), (10, 7727192), (11, 7024720), (16, 4829495), (20, 3863596), (22, 3512360), (40, 1931798), (44, 1756180), (55, 1404944), (80, 965899), (88, 878090), (110, 702472), (176, 439045), (220, 351236), (277, 278960), (317, 243760), (440, 175618), (554, 139480), (634, 121880), (880, 87809), (1108, 69740), (1268, 60940), (1385, 55792), (1585, 48752), (2216, 34870), (2536, 30470), (2770, 27896), (3047, 25360), (3170, 24376), (3487, 22160), (4432, 17435), (5072, 15235), (5540, 13948), (6094, 12680), (6340, 12188), (6974, 11080)]