18132917680

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{359}}^1\times {\mathrm{14683}}^1$

素因数の和:15098

約数の個数: 80

約数和(自身を含む): 43262588160

約数和(自身を除く): 25129670480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 359, 430, 688, 718, 860, 1436, 1720, 1795, 2872, 3440, 3590, 5744, 7180, 14360, 14683, 15437, 28720, 29366, 30874, 58732, 61748, 73415, 77185, 117464, 123496, 146830, 154370, 234928, 246992, 293660, 308740, 587320, 617480, 631369, 1174640, 1234960, 1262738, 2525476, 3156845, 5050952, 5271197, 6313690, 10101904, 10542394, 12627380, 21084788, 25254760, 26355985, 42169576, 50509520, 52711970, 84339152, 105423940, 210847880, 226661471, 421695760, 453322942, 906645884, 1133307355, 1813291768, 2266614710, 3626583536, 4533229420, 9066458840, 18132917680]

約数ペア:

[(1, 18132917680), (2, 9066458840), (4, 4533229420), (5, 3626583536), (8, 2266614710), (10, 1813291768), (16, 1133307355), (20, 906645884), (40, 453322942), (43, 421695760), (80, 226661471), (86, 210847880), (172, 105423940), (215, 84339152), (344, 52711970), (359, 50509520), (430, 42169576), (688, 26355985), (718, 25254760), (860, 21084788), (1436, 12627380), (1720, 10542394), (1795, 10101904), (2872, 6313690), (3440, 5271197), (3590, 5050952), (5744, 3156845), (7180, 2525476), (14360, 1262738), (14683, 1234960), (15437, 1174640), (28720, 631369), (29366, 617480), (30874, 587320), (58732, 308740), (61748, 293660), (73415, 246992), (77185, 234928), (117464, 154370), (123496, 146830)]