18804901640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{691}}^1\times {\mathrm{1171}}^1$

素因数の和:1963

約数の個数: 128

約数和(自身を含む): 49050731520

約数和(自身を除く): 30245829880

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 83, 140, 166, 280, 332, 415, 581, 664, 691, 830, 1162, 1171, 1382, 1660, 2324, 2342, 2764, 2905, 3320, 3455, 4648, 4684, 4837, 5528, 5810, 5855, 6910, 8197, 9368, 9674, 11620, 11710, 13820, 16394, 19348, 23240, 23420, 24185, 27640, 32788, 38696, 40985, 46840, 48370, 57353, 65576, 81970, 96740, 97193, 114706, 163940, 193480, 194386, 229412, 286765, 327880, 388772, 401471, 458824, 485965, 573530, 680351, 777544, 802942, 809161, 971930, 1147060, 1360702, 1605884, 1618322, 1943860, 2007355, 2294120, 2721404, 3211768, 3236644, 3401755, 3887720, 4014710, 4045805, 5442808, 5664127, 6473288, 6803510, 8029420, 8091610, 11328254, 13607020, 16058840, 16183220, 22656508, 27214040, 28320635, 32366440, 45313016, 56641270, 67160363, 113282540, 134320726, 226565080, 268641452, 335801815, 470122541, 537282904, 671603630, 940245082, 1343207260, 1880490164, 2350612705, 2686414520, 3760980328, 4701225410, 9402450820, 18804901640]

約数ペア:

[(1, 18804901640), (2, 9402450820), (4, 4701225410), (5, 3760980328), (7, 2686414520), (8, 2350612705), (10, 1880490164), (14, 1343207260), (20, 940245082), (28, 671603630), (35, 537282904), (40, 470122541), (56, 335801815), (70, 268641452), (83, 226565080), (140, 134320726), (166, 113282540), (280, 67160363), (332, 56641270), (415, 45313016), (581, 32366440), (664, 28320635), (691, 27214040), (830, 22656508), (1162, 16183220), (1171, 16058840), (1382, 13607020), (1660, 11328254), (2324, 8091610), (2342, 8029420), (2764, 6803510), (2905, 6473288), (3320, 5664127), (3455, 5442808), (4648, 4045805), (4684, 4014710), (4837, 3887720), (5528, 3401755), (5810, 3236644), (5855, 3211768), (6910, 2721404), (8197, 2294120), (9368, 2007355), (9674, 1943860), (11620, 1618322), (11710, 1605884), (13820, 1360702), (16394, 1147060), (19348, 971930), (23240, 809161), (23420, 802942), (24185, 777544), (27640, 680351), (32788, 573530), (38696, 485965), (40985, 458824), (46840, 401471), (48370, 388772), (57353, 327880), (65576, 286765), (81970, 229412), (96740, 194386), (97193, 193480), (114706, 163940)]