20280531840

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{10562777}}^1$

素因数の和:10562799

約数の個数: 64

約数和(自身を含む): 64644201360

約数和(自身を除く): 44363669520

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 320, 384, 480, 640, 960, 1920, 10562777, 21125554, 31688331, 42251108, 52813885, 63376662, 84502216, 105627770, 126753324, 158441655, 169004432, 211255540, 253506648, 316883310, 338008864, 422511080, 507013296, 633766620, 676017728, 845022160, 1014026592, 1267533240, 1352035456, 1690044320, 2028053184, 2535066480, 3380088640, 4056106368, 5070132960, 6760177280, 10140265920, 20280531840]

約数ペア:

[(1, 20280531840), (2, 10140265920), (3, 6760177280), (4, 5070132960), (5, 4056106368), (6, 3380088640), (8, 2535066480), (10, 2028053184), (12, 1690044320), (15, 1352035456), (16, 1267533240), (20, 1014026592), (24, 845022160), (30, 676017728), (32, 633766620), (40, 507013296), (48, 422511080), (60, 338008864), (64, 316883310), (80, 253506648), (96, 211255540), (120, 169004432), (128, 158441655), (160, 126753324), (192, 105627770), (240, 84502216), (320, 63376662), (384, 52813885), (480, 42251108), (640, 31688331), (960, 21125554), (1920, 10562777)]