17280

素因数分解:

$2^7\times 3^3\times 5^1$

素因数の和:28

約数の個数: 64

約数和(自身を含む): 61200

約数和(自身を除く): 43920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 32, 36, 40, 45, 48, 54, 60, 64, 72, 80, 90, 96, 108, 120, 128, 135, 144, 160, 180, 192, 216, 240, 270, 288, 320, 360, 384, 432, 480, 540, 576, 640, 720, 864, 960, 1080, 1152, 1440, 1728, 1920, 2160, 2880, 3456, 4320, 5760, 8640, 17280]

約数ペア:

[(1, 17280), (2, 8640), (3, 5760), (4, 4320), (5, 3456), (6, 2880), (8, 2160), (9, 1920), (10, 1728), (12, 1440), (15, 1152), (16, 1080), (18, 960), (20, 864), (24, 720), (27, 640), (30, 576), (32, 540), (36, 480), (40, 432), (45, 384), (48, 360), (54, 320), (60, 288), (64, 270), (72, 240), (80, 216), (90, 192), (96, 180), (108, 160), (120, 144), (128, 135)]