1215706020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{285377}}^1$

素因数の和:285460

約数の個数: 48

約数和(自身を含む): 3451932288

約数和(自身を除く): 2236226268

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 71, 142, 213, 284, 355, 426, 710, 852, 1065, 1420, 2130, 4260, 285377, 570754, 856131, 1141508, 1426885, 1712262, 2853770, 3424524, 4280655, 5707540, 8561310, 17122620, 20261767, 40523534, 60785301, 81047068, 101308835, 121570602, 202617670, 243141204, 303926505, 405235340, 607853010, 1215706020]

約数ペア:

[(1, 1215706020), (2, 607853010), (3, 405235340), (4, 303926505), (5, 243141204), (6, 202617670), (10, 121570602), (12, 101308835), (15, 81047068), (20, 60785301), (30, 40523534), (60, 20261767), (71, 17122620), (142, 8561310), (213, 5707540), (284, 4280655), (355, 3424524), (426, 2853770), (710, 1712262), (852, 1426885), (1065, 1141508), (1420, 856131), (2130, 570754), (4260, 285377)]