787320

素因数分解:

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

素因数の和:38

約数の個数: 80

約数和(自身を含む): 2657160

約数和(自身を除く): 1869840

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, 19683, 21870, 26244, 29160, 32805, 39366, 43740, 52488, 65610, 78732, 87480, 98415, 131220, 157464, 196830, 262440, 393660, 787320]

約数ペア:

[(1, 787320), (2, 393660), (3, 262440), (4, 196830), (5, 157464), (6, 131220), (8, 98415), (9, 87480), (10, 78732), (12, 65610), (15, 52488), (18, 43740), (20, 39366), (24, 32805), (27, 29160), (30, 26244), (36, 21870), (40, 19683), (45, 17496), (54, 14580), (60, 13122), (72, 10935), (81, 9720), (90, 8748), (108, 7290), (120, 6561), (135, 5832), (162, 4860), (180, 4374), (216, 3645), (243, 3240), (270, 2916), (324, 2430), (360, 2187), (405, 1944), (486, 1620), (540, 1458), (648, 1215), (729, 1080), (810, 972)]