51261660

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{31643}}^1$

素因数の和:31664

約数の個数: 60

約数和(自身を含む): 160814808

約数和(自身を除く): 109553148

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, 31643, 63286, 94929, 126572, 158215, 189858, 284787, 316430, 379716, 474645, 569574, 632860, 854361, 949290, 1139148, 1423935, 1708722, 1898580, 2563083, 2847870, 3417444, 4271805, 5126166, 5695740, 8543610, 10252332, 12815415, 17087220, 25630830, 51261660]

約数ペア:

[(1, 51261660), (2, 25630830), (3, 17087220), (4, 12815415), (5, 10252332), (6, 8543610), (9, 5695740), (10, 5126166), (12, 4271805), (15, 3417444), (18, 2847870), (20, 2563083), (27, 1898580), (30, 1708722), (36, 1423935), (45, 1139148), (54, 949290), (60, 854361), (81, 632860), (90, 569574), (108, 474645), (135, 379716), (162, 316430), (180, 284787), (270, 189858), (324, 158215), (405, 126572), (540, 94929), (810, 63286), (1620, 31643)]