18156617680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{269}}^1\times {\mathrm{36683}}^1$

素因数の和:36988

約数の個数: 80

約数和(自身を含む): 44214491520

約数和(自身を除く): 26057873840

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 269, 368, 460, 538, 920, 1076, 1345, 1840, 2152, 2690, 4304, 5380, 6187, 10760, 12374, 21520, 24748, 30935, 36683, 49496, 61870, 73366, 98992, 123740, 146732, 183415, 247480, 293464, 366830, 494960, 586928, 733660, 843709, 1467320, 1687418, 2934640, 3374836, 4218545, 6749672, 8437090, 9867727, 13499344, 16874180, 19735454, 33748360, 39470908, 49338635, 67496720, 78941816, 98677270, 157883632, 197354540, 226957721, 394709080, 453915442, 789418160, 907830884, 1134788605, 1815661768, 2269577210, 3631323536, 4539154420, 9078308840, 18156617680]

約数ペア:

[(1, 18156617680), (2, 9078308840), (4, 4539154420), (5, 3631323536), (8, 2269577210), (10, 1815661768), (16, 1134788605), (20, 907830884), (23, 789418160), (40, 453915442), (46, 394709080), (80, 226957721), (92, 197354540), (115, 157883632), (184, 98677270), (230, 78941816), (269, 67496720), (368, 49338635), (460, 39470908), (538, 33748360), (920, 19735454), (1076, 16874180), (1345, 13499344), (1840, 9867727), (2152, 8437090), (2690, 6749672), (4304, 4218545), (5380, 3374836), (6187, 2934640), (10760, 1687418), (12374, 1467320), (21520, 843709), (24748, 733660), (30935, 586928), (36683, 494960), (49496, 366830), (61870, 293464), (73366, 247480), (98992, 183415), (123740, 146732)]