66281340

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15559}}^1$

素因数の和:15642

約数の個数: 48

約数和(自身を含む): 188213760

約数和(自身を除く): 121932420

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, 15559, 31118, 46677, 62236, 77795, 93354, 155590, 186708, 233385, 311180, 466770, 933540, 1104689, 2209378, 3314067, 4418756, 5523445, 6628134, 11046890, 13256268, 16570335, 22093780, 33140670, 66281340]

約数ペア:

[(1, 66281340), (2, 33140670), (3, 22093780), (4, 16570335), (5, 13256268), (6, 11046890), (10, 6628134), (12, 5523445), (15, 4418756), (20, 3314067), (30, 2209378), (60, 1104689), (71, 933540), (142, 466770), (213, 311180), (284, 233385), (355, 186708), (426, 155590), (710, 93354), (852, 77795), (1065, 62236), (1420, 46677), (2130, 31118), (4260, 15559)]