61643640

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{513697}}^1$

素因数の和:513711

約数の個数: 32

約数和(自身を含む): 184931280

約数和(自身を除く): 123287640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 513697, 1027394, 1541091, 2054788, 2568485, 3082182, 4109576, 5136970, 6164364, 7705455, 10273940, 12328728, 15410910, 20547880, 30821820, 61643640]

約数ペア:

[(1, 61643640), (2, 30821820), (3, 20547880), (4, 15410910), (5, 12328728), (6, 10273940), (8, 7705455), (10, 6164364), (12, 5136970), (15, 4109576), (20, 3082182), (24, 2568485), (30, 2054788), (40, 1541091), (60, 1027394), (120, 513697)]