262440

素因数分解:

$2^3\times 3^8\times 5^1$

素因数の和:35

約数の個数: 72

約数和(自身を含む): 885690

約数和(自身を除く): 623250

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 81, 90, 108, 120, 135, 162, 180, 216, 243, 270, 324, 360, 405, 486, 540, 648, 729, 810, 972, 1080, 1215, 1458, 1620, 1944, 2187, 2430, 2916, 3240, 3645, 4374, 4860, 5832, 6561, 7290, 8748, 9720, 10935, 13122, 14580, 17496, 21870, 26244, 29160, 32805, 43740, 52488, 65610, 87480, 131220, 262440]

約数ペア:

[(1, 262440), (2, 131220), (3, 87480), (4, 65610), (5, 52488), (6, 43740), (8, 32805), (9, 29160), (10, 26244), (12, 21870), (15, 17496), (18, 14580), (20, 13122), (24, 10935), (27, 9720), (30, 8748), (36, 7290), (40, 6561), (45, 5832), (54, 4860), (60, 4374), (72, 3645), (81, 3240), (90, 2916), (108, 2430), (120, 2187), (135, 1944), (162, 1620), (180, 1458), (216, 1215), (243, 1080), (270, 972), (324, 810), (360, 729), (405, 648), (486, 540)]