393660

素因数分解:

$2^2\times 3^9\times 5^1$

素因数の和:36

約数の個数: 60

約数和(自身を含む): 1240008

約数和(自身を除く): 846348

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, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1620, 2187, 2430, 2916, 3645, 4374, 4860, 6561, 7290, 8748, 10935, 13122, 14580, 19683, 21870, 26244, 32805, 39366, 43740, 65610, 78732, 98415, 131220, 196830, 393660]

約数ペア:

[(1, 393660), (2, 196830), (3, 131220), (4, 98415), (5, 78732), (6, 65610), (9, 43740), (10, 39366), (12, 32805), (15, 26244), (18, 21870), (20, 19683), (27, 14580), (30, 13122), (36, 10935), (45, 8748), (54, 7290), (60, 6561), (81, 4860), (90, 4374), (108, 3645), (135, 2916), (162, 2430), (180, 2187), (243, 1620), (270, 1458), (324, 1215), (405, 972), (486, 810), (540, 729)]