3120760

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1279}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 7142400

約数和(自身を除く): 4021640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 1279, 2440, 2558, 5116, 6395, 10232, 12790, 25580, 51160, 78019, 156038, 312076, 390095, 624152, 780190, 1560380, 3120760]

約数ペア:

[(1, 3120760), (2, 1560380), (4, 780190), (5, 624152), (8, 390095), (10, 312076), (20, 156038), (40, 78019), (61, 51160), (122, 25580), (244, 12790), (305, 10232), (488, 6395), (610, 5116), (1220, 2558), (1279, 2440)]