817384620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1047929}}^1$

素因数の和:1047954

約数の個数: 48

約数和(自身を含む): 2464731360

約数和(自身を除く): 1647346740

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 1047929, 2095858, 3143787, 4191716, 5239645, 6287574, 10479290, 12575148, 13623077, 15718935, 20958580, 27246154, 31437870, 40869231, 54492308, 62875740, 68115385, 81738462, 136230770, 163476924, 204346155, 272461540, 408692310, 817384620]

約数ペア:

[(1, 817384620), (2, 408692310), (3, 272461540), (4, 204346155), (5, 163476924), (6, 136230770), (10, 81738462), (12, 68115385), (13, 62875740), (15, 54492308), (20, 40869231), (26, 31437870), (30, 27246154), (39, 20958580), (52, 15718935), (60, 13623077), (65, 12575148), (78, 10479290), (130, 6287574), (156, 5239645), (195, 4191716), (260, 3143787), (390, 2095858), (780, 1047929)]