28800

素因数分解:

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

素因数の和:30

約数の個数: 72

約数和(自身を含む): 102765

約数和(自身を除く): 73965

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 64, 72, 75, 80, 90, 96, 100, 120, 128, 144, 150, 160, 180, 192, 200, 225, 240, 288, 300, 320, 360, 384, 400, 450, 480, 576, 600, 640, 720, 800, 900, 960, 1152, 1200, 1440, 1600, 1800, 1920, 2400, 2880, 3200, 3600, 4800, 5760, 7200, 9600, 14400, 28800]

約数ペア:

[(1, 28800), (2, 14400), (3, 9600), (4, 7200), (5, 5760), (6, 4800), (8, 3600), (9, 3200), (10, 2880), (12, 2400), (15, 1920), (16, 1800), (18, 1600), (20, 1440), (24, 1200), (25, 1152), (30, 960), (32, 900), (36, 800), (40, 720), (45, 640), (48, 600), (50, 576), (60, 480), (64, 450), (72, 400), (75, 384), (80, 360), (90, 320), (96, 300), (100, 288), (120, 240), (128, 225), (144, 200), (150, 192), (160, 180)]