75465520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{487}}^1$

素因数の和:662

約数の個数: 80

約数和(自身を含む): 190612800

約数和(自身を除く): 115147280

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 149, 208, 260, 298, 487, 520, 596, 745, 974, 1040, 1192, 1490, 1937, 1948, 2384, 2435, 2980, 3874, 3896, 4870, 5960, 6331, 7748, 7792, 9685, 9740, 11920, 12662, 15496, 19370, 19480, 25324, 30992, 31655, 38740, 38960, 50648, 63310, 72563, 77480, 101296, 126620, 145126, 154960, 253240, 290252, 362815, 506480, 580504, 725630, 943319, 1161008, 1451260, 1886638, 2902520, 3773276, 4716595, 5805040, 7546552, 9433190, 15093104, 18866380, 37732760, 75465520]

約数ペア:

[(1, 75465520), (2, 37732760), (4, 18866380), (5, 15093104), (8, 9433190), (10, 7546552), (13, 5805040), (16, 4716595), (20, 3773276), (26, 2902520), (40, 1886638), (52, 1451260), (65, 1161008), (80, 943319), (104, 725630), (130, 580504), (149, 506480), (208, 362815), (260, 290252), (298, 253240), (487, 154960), (520, 145126), (596, 126620), (745, 101296), (974, 77480), (1040, 72563), (1192, 63310), (1490, 50648), (1937, 38960), (1948, 38740), (2384, 31655), (2435, 30992), (2980, 25324), (3874, 19480), (3896, 19370), (4870, 15496), (5960, 12662), (6331, 11920), (7748, 9740), (7792, 9685)]