720981120

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{375511}}^1$

素因数の和:375533

約数の個数: 64

約数和(自身を含む): 2298133440

約数和(自身を除く): 1577152320

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, 375511, 751022, 1126533, 1502044, 1877555, 2253066, 3004088, 3755110, 4506132, 5632665, 6008176, 7510220, 9012264, 11265330, 12016352, 15020440, 18024528, 22530660, 24032704, 30040880, 36049056, 45061320, 48065408, 60081760, 72098112, 90122640, 120163520, 144196224, 180245280, 240327040, 360490560, 720981120]

約数ペア:

[(1, 720981120), (2, 360490560), (3, 240327040), (4, 180245280), (5, 144196224), (6, 120163520), (8, 90122640), (10, 72098112), (12, 60081760), (15, 48065408), (16, 45061320), (20, 36049056), (24, 30040880), (30, 24032704), (32, 22530660), (40, 18024528), (48, 15020440), (60, 12016352), (64, 11265330), (80, 9012264), (96, 7510220), (120, 6008176), (128, 5632665), (160, 4506132), (192, 3755110), (240, 3004088), (320, 2253066), (384, 1877555), (480, 1502044), (640, 1126533), (960, 751022), (1920, 375511)]