996817280

素因数分解:

$2^7\times 5^1\times {\mathrm{71}}^1\times {\mathrm{21937}}^1$

素因数の和:22027

約数の個数: 64

約数和(自身を含む): 2416690080

約数和(自身を除く): 1419872800

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 71, 80, 128, 142, 160, 284, 320, 355, 568, 640, 710, 1136, 1420, 2272, 2840, 4544, 5680, 9088, 11360, 21937, 22720, 43874, 45440, 87748, 109685, 175496, 219370, 350992, 438740, 701984, 877480, 1403968, 1557527, 1754960, 2807936, 3115054, 3509920, 6230108, 7019840, 7787635, 12460216, 14039680, 15575270, 24920432, 31150540, 49840864, 62301080, 99681728, 124602160, 199363456, 249204320, 498408640, 996817280]

約数ペア:

[(1, 996817280), (2, 498408640), (4, 249204320), (5, 199363456), (8, 124602160), (10, 99681728), (16, 62301080), (20, 49840864), (32, 31150540), (40, 24920432), (64, 15575270), (71, 14039680), (80, 12460216), (128, 7787635), (142, 7019840), (160, 6230108), (284, 3509920), (320, 3115054), (355, 2807936), (568, 1754960), (640, 1557527), (710, 1403968), (1136, 877480), (1420, 701984), (2272, 438740), (2840, 350992), (4544, 219370), (5680, 175496), (9088, 109685), (11360, 87748), (21937, 45440), (22720, 43874)]