68121660

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15991}}^1$

素因数の和:16074

約数の個数: 48

約数和(自身を含む): 193439232

約数和(自身を除く): 125317572

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, 15991, 31982, 47973, 63964, 79955, 95946, 159910, 191892, 239865, 319820, 479730, 959460, 1135361, 2270722, 3406083, 4541444, 5676805, 6812166, 11353610, 13624332, 17030415, 22707220, 34060830, 68121660]

約数ペア:

[(1, 68121660), (2, 34060830), (3, 22707220), (4, 17030415), (5, 13624332), (6, 11353610), (10, 6812166), (12, 5676805), (15, 4541444), (20, 3406083), (30, 2270722), (60, 1135361), (71, 959460), (142, 479730), (213, 319820), (284, 239865), (355, 191892), (426, 159910), (710, 95946), (852, 79955), (1065, 63964), (1420, 47973), (2130, 31982), (4260, 15991)]