281567680

素因数分解:

$2^6\times 5^1\times {\mathrm{269}}^1\times {\mathrm{3271}}^1$

素因数の和:3557

約数の個数: 56

約数和(自身を含む): 673181280

約数和(自身を除く): 391613600

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 269, 320, 538, 1076, 1345, 2152, 2690, 3271, 4304, 5380, 6542, 8608, 10760, 13084, 16355, 17216, 21520, 26168, 32710, 43040, 52336, 65420, 86080, 104672, 130840, 209344, 261680, 523360, 879899, 1046720, 1759798, 3519596, 4399495, 7039192, 8798990, 14078384, 17597980, 28156768, 35195960, 56313536, 70391920, 140783840, 281567680]

約数ペア:

[(1, 281567680), (2, 140783840), (4, 70391920), (5, 56313536), (8, 35195960), (10, 28156768), (16, 17597980), (20, 14078384), (32, 8798990), (40, 7039192), (64, 4399495), (80, 3519596), (160, 1759798), (269, 1046720), (320, 879899), (538, 523360), (1076, 261680), (1345, 209344), (2152, 130840), (2690, 104672), (3271, 86080), (4304, 65420), (5380, 52336), (6542, 43040), (8608, 32710), (10760, 26168), (13084, 21520), (16355, 17216)]