78456540

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{4861}}^1$

素因数の和:5142

約数の個数: 48

約数和(自身を含む): 220540320

約数和(自身を除く): 142083780

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 269, 538, 807, 1076, 1345, 1614, 2690, 3228, 4035, 4861, 5380, 8070, 9722, 14583, 16140, 19444, 24305, 29166, 48610, 58332, 72915, 97220, 145830, 291660, 1307609, 2615218, 3922827, 5230436, 6538045, 7845654, 13076090, 15691308, 19614135, 26152180, 39228270, 78456540]

約数ペア:

[(1, 78456540), (2, 39228270), (3, 26152180), (4, 19614135), (5, 15691308), (6, 13076090), (10, 7845654), (12, 6538045), (15, 5230436), (20, 3922827), (30, 2615218), (60, 1307609), (269, 291660), (538, 145830), (807, 97220), (1076, 72915), (1345, 58332), (1614, 48610), (2690, 29166), (3228, 24305), (4035, 19444), (4861, 16140), (5380, 14583), (8070, 9722)]