21619440

素因数分解:

$2^4\times 3^3\times 5^1\times {\mathrm{10009}}^1$

素因数の和:10031

約数の個数: 80

約数和(自身を含む): 74474400

約数和(自身を除く): 52854960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 40, 45, 48, 54, 60, 72, 80, 90, 108, 120, 135, 144, 180, 216, 240, 270, 360, 432, 540, 720, 1080, 2160, 10009, 20018, 30027, 40036, 50045, 60054, 80072, 90081, 100090, 120108, 150135, 160144, 180162, 200180, 240216, 270243, 300270, 360324, 400360, 450405, 480432, 540486, 600540, 720648, 800720, 900810, 1080972, 1201080, 1351215, 1441296, 1801620, 2161944, 2402160, 2702430, 3603240, 4323888, 5404860, 7206480, 10809720, 21619440]

約数ペア:

[(1, 21619440), (2, 10809720), (3, 7206480), (4, 5404860), (5, 4323888), (6, 3603240), (8, 2702430), (9, 2402160), (10, 2161944), (12, 1801620), (15, 1441296), (16, 1351215), (18, 1201080), (20, 1080972), (24, 900810), (27, 800720), (30, 720648), (36, 600540), (40, 540486), (45, 480432), (48, 450405), (54, 400360), (60, 360324), (72, 300270), (80, 270243), (90, 240216), (108, 200180), (120, 180162), (135, 160144), (144, 150135), (180, 120108), (216, 100090), (240, 90081), (270, 80072), (360, 60054), (432, 50045), (540, 40036), (720, 30027), (1080, 20018), (2160, 10009)]