1260430340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{68279}}^1$

素因数の和:68372

約数の個数: 48

約数和(自身を含む): 2890702080

約数和(自身を除く): 1630271740

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 71, 130, 142, 260, 284, 355, 710, 923, 1420, 1846, 3692, 4615, 9230, 18460, 68279, 136558, 273116, 341395, 682790, 887627, 1365580, 1775254, 3550508, 4438135, 4847809, 8876270, 9695618, 17752540, 19391236, 24239045, 48478090, 63021517, 96956180, 126043034, 252086068, 315107585, 630215170, 1260430340]

約数ペア:

[(1, 1260430340), (2, 630215170), (4, 315107585), (5, 252086068), (10, 126043034), (13, 96956180), (20, 63021517), (26, 48478090), (52, 24239045), (65, 19391236), (71, 17752540), (130, 9695618), (142, 8876270), (260, 4847809), (284, 4438135), (355, 3550508), (710, 1775254), (923, 1365580), (1420, 887627), (1846, 682790), (3692, 341395), (4615, 273116), (9230, 136558), (18460, 68279)]