11880680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{151}}^1\times {\mathrm{281}}^1$

素因数の和:450

約数の個数: 64

約数和(自身を含む): 30862080

約数和(自身を除く): 18981400

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 151, 280, 281, 302, 562, 604, 755, 1057, 1124, 1208, 1405, 1510, 1967, 2114, 2248, 2810, 3020, 3934, 4228, 5285, 5620, 6040, 7868, 8456, 9835, 10570, 11240, 15736, 19670, 21140, 39340, 42280, 42431, 78680, 84862, 169724, 212155, 297017, 339448, 424310, 594034, 848620, 1188068, 1485085, 1697240, 2376136, 2970170, 5940340, 11880680]

約数ペア:

[(1, 11880680), (2, 5940340), (4, 2970170), (5, 2376136), (7, 1697240), (8, 1485085), (10, 1188068), (14, 848620), (20, 594034), (28, 424310), (35, 339448), (40, 297017), (56, 212155), (70, 169724), (140, 84862), (151, 78680), (280, 42431), (281, 42280), (302, 39340), (562, 21140), (604, 19670), (755, 15736), (1057, 11240), (1124, 10570), (1208, 9835), (1405, 8456), (1510, 7868), (1967, 6040), (2114, 5620), (2248, 5285), (2810, 4228), (3020, 3934)]