78756540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{443}}^1\times {\mathrm{2963}}^1$

素因数の和:3418

約数の個数: 48

約数和(自身を含む): 221090688

約数和(自身を除く): 142334148

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 443, 886, 1329, 1772, 2215, 2658, 2963, 4430, 5316, 5926, 6645, 8860, 8889, 11852, 13290, 14815, 17778, 26580, 29630, 35556, 44445, 59260, 88890, 177780, 1312609, 2625218, 3937827, 5250436, 6563045, 7875654, 13126090, 15751308, 19689135, 26252180, 39378270, 78756540]

約数ペア:

[(1, 78756540), (2, 39378270), (3, 26252180), (4, 19689135), (5, 15751308), (6, 13126090), (10, 7875654), (12, 6563045), (15, 5250436), (20, 3937827), (30, 2625218), (60, 1312609), (443, 177780), (886, 88890), (1329, 59260), (1772, 44445), (2215, 35556), (2658, 29630), (2963, 26580), (4430, 17778), (5316, 14815), (5926, 13290), (6645, 11852), (8860, 8889)]