81892920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{421}}^1\times {\mathrm{1621}}^1$

素因数の和:2056

約数の個数: 64

約数和(自身を含む): 246414240

約数和(自身を除く): 164521320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 421, 842, 1263, 1621, 1684, 2105, 2526, 3242, 3368, 4210, 4863, 5052, 6315, 6484, 8105, 8420, 9726, 10104, 12630, 12968, 16210, 16840, 19452, 24315, 25260, 32420, 38904, 48630, 50520, 64840, 97260, 194520, 682441, 1364882, 2047323, 2729764, 3412205, 4094646, 5459528, 6824410, 8189292, 10236615, 13648820, 16378584, 20473230, 27297640, 40946460, 81892920]

約数ペア:

[(1, 81892920), (2, 40946460), (3, 27297640), (4, 20473230), (5, 16378584), (6, 13648820), (8, 10236615), (10, 8189292), (12, 6824410), (15, 5459528), (20, 4094646), (24, 3412205), (30, 2729764), (40, 2047323), (60, 1364882), (120, 682441), (421, 194520), (842, 97260), (1263, 64840), (1621, 50520), (1684, 48630), (2105, 38904), (2526, 32420), (3242, 25260), (3368, 24315), (4210, 19452), (4863, 16840), (5052, 16210), (6315, 12968), (6484, 12630), (8105, 10104), (8420, 9726)]