81150990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{2521}}^1$

素因数の和:2597

約数の個数: 64

約数和(自身を含む): 207005760

約数和(自身を除く): 125854770

約数列:

[1, 2, 3, 5, 6, 10, 15, 29, 30, 37, 58, 74, 87, 111, 145, 174, 185, 222, 290, 370, 435, 555, 870, 1073, 1110, 2146, 2521, 3219, 5042, 5365, 6438, 7563, 10730, 12605, 15126, 16095, 25210, 32190, 37815, 73109, 75630, 93277, 146218, 186554, 219327, 279831, 365545, 438654, 466385, 559662, 731090, 932770, 1096635, 1399155, 2193270, 2705033, 2798310, 5410066, 8115099, 13525165, 16230198, 27050330, 40575495, 81150990]

約数ペア:

[(1, 81150990), (2, 40575495), (3, 27050330), (5, 16230198), (6, 13525165), (10, 8115099), (15, 5410066), (29, 2798310), (30, 2705033), (37, 2193270), (58, 1399155), (74, 1096635), (87, 932770), (111, 731090), (145, 559662), (174, 466385), (185, 438654), (222, 365545), (290, 279831), (370, 219327), (435, 186554), (555, 146218), (870, 93277), (1073, 75630), (1110, 73109), (2146, 37815), (2521, 32190), (3219, 25210), (5042, 16095), (5365, 15126), (6438, 12605), (7563, 10730)]