121286680

素因数分解:

$2^3\times 5^1\times {\mathrm{769}}^1\times {\mathrm{3943}}^1$

素因数の和:4723

約数の個数: 32

約数和(自身を含む): 273319200

約数和(自身を除く): 152032520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 769, 1538, 3076, 3845, 3943, 6152, 7690, 7886, 15380, 15772, 19715, 30760, 31544, 39430, 78860, 157720, 3032167, 6064334, 12128668, 15160835, 24257336, 30321670, 60643340, 121286680]

約数ペア:

[(1, 121286680), (2, 60643340), (4, 30321670), (5, 24257336), (8, 15160835), (10, 12128668), (20, 6064334), (40, 3032167), (769, 157720), (1538, 78860), (3076, 39430), (3845, 31544), (3943, 30760), (6152, 19715), (7690, 15772), (7886, 15380)]