21252960

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{14759}}^1$

素因数の和:14780

約数の個数: 72

約数和(自身を含む): 72530640

約数和(自身を除く): 51277680

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 14759, 29518, 44277, 59036, 73795, 88554, 118072, 132831, 147590, 177108, 221385, 236144, 265662, 295180, 354216, 442770, 472288, 531324, 590360, 664155, 708432, 885540, 1062648, 1180720, 1328310, 1416864, 1771080, 2125296, 2361440, 2656620, 3542160, 4250592, 5313240, 7084320, 10626480, 21252960]

約数ペア:

[(1, 21252960), (2, 10626480), (3, 7084320), (4, 5313240), (5, 4250592), (6, 3542160), (8, 2656620), (9, 2361440), (10, 2125296), (12, 1771080), (15, 1416864), (16, 1328310), (18, 1180720), (20, 1062648), (24, 885540), (30, 708432), (32, 664155), (36, 590360), (40, 531324), (45, 472288), (48, 442770), (60, 354216), (72, 295180), (80, 265662), (90, 236144), (96, 221385), (120, 177108), (144, 147590), (160, 132831), (180, 118072), (240, 88554), (288, 73795), (360, 59036), (480, 44277), (720, 29518), (1440, 14759)]