28367340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{6659}}^1$

素因数の和:6742

約数の個数: 48

約数和(自身を含む): 80559360

約数和(自身を除く): 52192020

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, 6659, 13318, 19977, 26636, 33295, 39954, 66590, 79908, 99885, 133180, 199770, 399540, 472789, 945578, 1418367, 1891156, 2363945, 2836734, 4727890, 5673468, 7091835, 9455780, 14183670, 28367340]

約数ペア:

[(1, 28367340), (2, 14183670), (3, 9455780), (4, 7091835), (5, 5673468), (6, 4727890), (10, 2836734), (12, 2363945), (15, 1891156), (20, 1418367), (30, 945578), (60, 472789), (71, 399540), (142, 199770), (213, 133180), (284, 99885), (355, 79908), (426, 66590), (710, 39954), (852, 33295), (1065, 26636), (1420, 19977), (2130, 13318), (4260, 6659)]