17990040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{197}}^1\times {\mathrm{761}}^1$

素因数の和:972

約数の個数: 64

約数和(自身を含む): 54315360

約数和(自身を除く): 36325320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 60, 120, 197, 394, 591, 761, 788, 985, 1182, 1522, 1576, 1970, 2283, 2364, 2955, 3044, 3805, 3940, 4566, 4728, 5910, 6088, 7610, 7880, 9132, 11415, 11820, 15220, 18264, 22830, 23640, 30440, 45660, 91320, 149917, 299834, 449751, 599668, 749585, 899502, 1199336, 1499170, 1799004, 2248755, 2998340, 3598008, 4497510, 5996680, 8995020, 17990040]

約数ペア:

[(1, 17990040), (2, 8995020), (3, 5996680), (4, 4497510), (5, 3598008), (6, 2998340), (8, 2248755), (10, 1799004), (12, 1499170), (15, 1199336), (20, 899502), (24, 749585), (30, 599668), (40, 449751), (60, 299834), (120, 149917), (197, 91320), (394, 45660), (591, 30440), (761, 23640), (788, 22830), (985, 18264), (1182, 15220), (1522, 11820), (1576, 11415), (1970, 9132), (2283, 7880), (2364, 7610), (2955, 6088), (3044, 5910), (3805, 4728), (3940, 4566)]