256770

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{317}}^1$

素因数の和:336

約数の個数: 40

約数和(自身を含む): 692604

約数和(自身を除く): 435834

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 317, 405, 634, 810, 951, 1585, 1902, 2853, 3170, 4755, 5706, 8559, 9510, 14265, 17118, 25677, 28530, 42795, 51354, 85590, 128385, 256770]

約数ペア:

[(1, 256770), (2, 128385), (3, 85590), (5, 51354), (6, 42795), (9, 28530), (10, 25677), (15, 17118), (18, 14265), (27, 9510), (30, 8559), (45, 5706), (54, 4755), (81, 3170), (90, 2853), (135, 1902), (162, 1585), (270, 951), (317, 810), (405, 634)]