7856970

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{821}}^1$

素因数の和:871

約数の個数: 64

約数和(自身を含む): 21306240

約数和(自身を除く): 13449270

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 29, 30, 33, 55, 58, 66, 87, 110, 145, 165, 174, 290, 319, 330, 435, 638, 821, 870, 957, 1595, 1642, 1914, 2463, 3190, 4105, 4785, 4926, 8210, 9031, 9570, 12315, 18062, 23809, 24630, 27093, 45155, 47618, 54186, 71427, 90310, 119045, 135465, 142854, 238090, 261899, 270930, 357135, 523798, 714270, 785697, 1309495, 1571394, 2618990, 3928485, 7856970]

約数ペア:

[(1, 7856970), (2, 3928485), (3, 2618990), (5, 1571394), (6, 1309495), (10, 785697), (11, 714270), (15, 523798), (22, 357135), (29, 270930), (30, 261899), (33, 238090), (55, 142854), (58, 135465), (66, 119045), (87, 90310), (110, 71427), (145, 54186), (165, 47618), (174, 45155), (290, 27093), (319, 24630), (330, 23809), (435, 18062), (638, 12315), (821, 9570), (870, 9031), (957, 8210), (1595, 4926), (1642, 4785), (1914, 4105), (2463, 3190)]