238171520

素因数分解:

$2^7\times 5^1\times {\mathrm{563}}^1\times {\mathrm{661}}^1$

素因数の和:1243

約数の個数: 64

約数和(自身を含む): 571253040

約数和(自身を除く): 333081520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 563, 640, 661, 1126, 1322, 2252, 2644, 2815, 3305, 4504, 5288, 5630, 6610, 9008, 10576, 11260, 13220, 18016, 21152, 22520, 26440, 36032, 42304, 45040, 52880, 72064, 84608, 90080, 105760, 180160, 211520, 360320, 372143, 423040, 744286, 1488572, 1860715, 2977144, 3721430, 5954288, 7442860, 11908576, 14885720, 23817152, 29771440, 47634304, 59542880, 119085760, 238171520]

約数ペア:

[(1, 238171520), (2, 119085760), (4, 59542880), (5, 47634304), (8, 29771440), (10, 23817152), (16, 14885720), (20, 11908576), (32, 7442860), (40, 5954288), (64, 3721430), (80, 2977144), (128, 1860715), (160, 1488572), (320, 744286), (563, 423040), (640, 372143), (661, 360320), (1126, 211520), (1322, 180160), (2252, 105760), (2644, 90080), (2815, 84608), (3305, 72064), (4504, 52880), (5288, 45040), (5630, 42304), (6610, 36032), (9008, 26440), (10576, 22520), (11260, 21152), (13220, 18016)]