1560380

素因数分解:

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

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 3333120

約数和(自身を除く): 1772740

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 1279, 2558, 5116, 6395, 12790, 25580, 78019, 156038, 312076, 390095, 780190, 1560380]

約数ペア:

[(1, 1560380), (2, 780190), (4, 390095), (5, 312076), (10, 156038), (20, 78019), (61, 25580), (122, 12790), (244, 6395), (305, 5116), (610, 2558), (1220, 1279)]