261969390

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{323419}}^1$

素因数の和:323438

約数の個数: 40

約数和(自身を含む): 704408760

約数和(自身を除く): 442439370

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 323419, 646838, 970257, 1617095, 1940514, 2910771, 3234190, 4851285, 5821542, 8732313, 9702570, 14553855, 17464626, 26196939, 29107710, 43661565, 52393878, 87323130, 130984695, 261969390]

約数ペア:

[(1, 261969390), (2, 130984695), (3, 87323130), (5, 52393878), (6, 43661565), (9, 29107710), (10, 26196939), (15, 17464626), (18, 14553855), (27, 9702570), (30, 8732313), (45, 5821542), (54, 4851285), (81, 3234190), (90, 2910771), (135, 1940514), (162, 1617095), (270, 970257), (405, 646838), (810, 323419)]