261835740

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{161627}}^1$

素因数の和:161648

約数の個数: 60

約数和(自身を含む): 821393496

約数和(自身を除く): 559557756

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 161627, 323254, 484881, 646508, 808135, 969762, 1454643, 1616270, 1939524, 2424405, 2909286, 3232540, 4363929, 4848810, 5818572, 7273215, 8727858, 9697620, 13091787, 14546430, 17455716, 21819645, 26183574, 29092860, 43639290, 52367148, 65458935, 87278580, 130917870, 261835740]

約数ペア:

[(1, 261835740), (2, 130917870), (3, 87278580), (4, 65458935), (5, 52367148), (6, 43639290), (9, 29092860), (10, 26183574), (12, 21819645), (15, 17455716), (18, 14546430), (20, 13091787), (27, 9697620), (30, 8727858), (36, 7273215), (45, 5818572), (54, 4848810), (60, 4363929), (81, 3232540), (90, 2909286), (108, 2424405), (135, 1939524), (162, 1616270), (180, 1454643), (270, 969762), (324, 808135), (405, 646508), (540, 484881), (810, 323254), (1620, 161627)]