155431240

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{3929}}^1$

素因数の和:4006

約数の個数: 64

約数和(自身を含む): 373507200

約数和(自身を除く): 218075960

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 43, 46, 86, 92, 115, 172, 184, 215, 230, 344, 430, 460, 860, 920, 989, 1720, 1978, 3929, 3956, 4945, 7858, 7912, 9890, 15716, 19645, 19780, 31432, 39290, 39560, 78580, 90367, 157160, 168947, 180734, 337894, 361468, 451835, 675788, 722936, 844735, 903670, 1351576, 1689470, 1807340, 3378940, 3614680, 3885781, 6757880, 7771562, 15543124, 19428905, 31086248, 38857810, 77715620, 155431240]

約数ペア:

[(1, 155431240), (2, 77715620), (4, 38857810), (5, 31086248), (8, 19428905), (10, 15543124), (20, 7771562), (23, 6757880), (40, 3885781), (43, 3614680), (46, 3378940), (86, 1807340), (92, 1689470), (115, 1351576), (172, 903670), (184, 844735), (215, 722936), (230, 675788), (344, 451835), (430, 361468), (460, 337894), (860, 180734), (920, 168947), (989, 157160), (1720, 90367), (1978, 78580), (3929, 39560), (3956, 39290), (4945, 31432), (7858, 19780), (7912, 19645), (9890, 15716)]