15743780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3187}}^1$

素因数の和:3228

約数の個数: 48

約数和(自身を含む): 37490880

約数和(自身を除く): 21747100

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 3187, 4940, 6374, 12748, 15935, 31870, 41431, 60553, 63740, 82862, 121106, 165724, 207155, 242212, 302765, 414310, 605530, 787189, 828620, 1211060, 1574378, 3148756, 3935945, 7871890, 15743780]

約数ペア:

[(1, 15743780), (2, 7871890), (4, 3935945), (5, 3148756), (10, 1574378), (13, 1211060), (19, 828620), (20, 787189), (26, 605530), (38, 414310), (52, 302765), (65, 242212), (76, 207155), (95, 165724), (130, 121106), (190, 82862), (247, 63740), (260, 60553), (380, 41431), (494, 31870), (988, 15935), (1235, 12748), (2470, 6374), (3187, 4940)]