64646080

素因数分解:

$2^6\times 5^1\times {\mathrm{269}}^1\times {\mathrm{751}}^1$

素因数の和:1037

約数の個数: 56

約数和(自身を含む): 154716480

約数和(自身を除く): 90070400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 269, 320, 538, 751, 1076, 1345, 1502, 2152, 2690, 3004, 3755, 4304, 5380, 6008, 7510, 8608, 10760, 12016, 15020, 17216, 21520, 24032, 30040, 43040, 48064, 60080, 86080, 120160, 202019, 240320, 404038, 808076, 1010095, 1616152, 2020190, 3232304, 4040380, 6464608, 8080760, 12929216, 16161520, 32323040, 64646080]

約数ペア:

[(1, 64646080), (2, 32323040), (4, 16161520), (5, 12929216), (8, 8080760), (10, 6464608), (16, 4040380), (20, 3232304), (32, 2020190), (40, 1616152), (64, 1010095), (80, 808076), (160, 404038), (269, 240320), (320, 202019), (538, 120160), (751, 86080), (1076, 60080), (1345, 48064), (1502, 43040), (2152, 30040), (2690, 24032), (3004, 21520), (3755, 17216), (4304, 15020), (5380, 12016), (6008, 10760), (7510, 8608)]