281317620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{66037}}^1$

素因数の和:66120

約数の個数: 48

約数和(自身を含む): 798795648

約数和(自身を除く): 517478028

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, 66037, 132074, 198111, 264148, 330185, 396222, 660370, 792444, 990555, 1320740, 1981110, 3962220, 4688627, 9377254, 14065881, 18754508, 23443135, 28131762, 46886270, 56263524, 70329405, 93772540, 140658810, 281317620]

約数ペア:

[(1, 281317620), (2, 140658810), (3, 93772540), (4, 70329405), (5, 56263524), (6, 46886270), (10, 28131762), (12, 23443135), (15, 18754508), (20, 14065881), (30, 9377254), (60, 4688627), (71, 3962220), (142, 1981110), (213, 1320740), (284, 990555), (355, 792444), (426, 660370), (710, 396222), (852, 330185), (1065, 264148), (1420, 198111), (2130, 132074), (4260, 66037)]