638605440

素因数分解:

$2^7\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{10079}}^1$

素因数の和:10115

約数の個数: 192

約数和(自身を含む): 2405894400

約数和(自身を除く): 1767288960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 32, 33, 36, 40, 44, 45, 48, 55, 60, 64, 66, 72, 80, 88, 90, 96, 99, 110, 120, 128, 132, 144, 160, 165, 176, 180, 192, 198, 220, 240, 264, 288, 320, 330, 352, 360, 384, 396, 440, 480, 495, 528, 576, 640, 660, 704, 720, 792, 880, 960, 990, 1056, 1152, 1320, 1408, 1440, 1584, 1760, 1920, 1980, 2112, 2640, 2880, 3168, 3520, 3960, 4224, 5280, 5760, 6336, 7040, 7920, 10079, 10560, 12672, 15840, 20158, 21120, 30237, 31680, 40316, 50395, 60474, 63360, 80632, 90711, 100790, 110869, 120948, 151185, 161264, 181422, 201580, 221738, 241896, 302370, 322528, 332607, 362844, 403160, 443476, 453555, 483792, 554345, 604740, 645056, 665214, 725688, 806320, 886952, 907110, 967584, 997821, 1108690, 1209480, 1290112, 1330428, 1451376, 1612640, 1663035, 1773904, 1814220, 1935168, 1995642, 2217380, 2418960, 2660856, 2902752, 3225280, 3326070, 3547808, 3628440, 3870336, 3991284, 4434760, 4837920, 4989105, 5321712, 5805504, 6450560, 6652140, 7095616, 7256880, 7982568, 8869520, 9675840, 9978210, 10643424, 11611008, 13304280, 14191232, 14513760, 15965136, 17739040, 19351680, 19956420, 21286848, 26608560, 29027520, 31930272, 35478080, 39912840, 42573696, 53217120, 58055040, 63860544, 70956160, 79825680, 106434240, 127721088, 159651360, 212868480, 319302720, 638605440]

約数ペア:

[(1, 638605440), (2, 319302720), (3, 212868480), (4, 159651360), (5, 127721088), (6, 106434240), (8, 79825680), (9, 70956160), (10, 63860544), (11, 58055040), (12, 53217120), (15, 42573696), (16, 39912840), (18, 35478080), (20, 31930272), (22, 29027520), (24, 26608560), (30, 21286848), (32, 19956420), (33, 19351680), (36, 17739040), (40, 15965136), (44, 14513760), (45, 14191232), (48, 13304280), (55, 11611008), (60, 10643424), (64, 9978210), (66, 9675840), (72, 8869520), (80, 7982568), (88, 7256880), (90, 7095616), (96, 6652140), (99, 6450560), (110, 5805504), (120, 5321712), (128, 4989105), (132, 4837920), (144, 4434760), (160, 3991284), (165, 3870336), (176, 3628440), (180, 3547808), (192, 3326070), (198, 3225280), (220, 2902752), (240, 2660856), (264, 2418960), (288, 2217380), (320, 1995642), (330, 1935168), (352, 1814220), (360, 1773904), (384, 1663035), (396, 1612640), (440, 1451376), (480, 1330428), (495, 1290112), (528, 1209480), (576, 1108690), (640, 997821), (660, 967584), (704, 907110), (720, 886952), (792, 806320), (880, 725688), (960, 665214), (990, 645056), (1056, 604740), (1152, 554345), (1320, 483792), (1408, 453555), (1440, 443476), (1584, 403160), (1760, 362844), (1920, 332607), (1980, 322528), (2112, 302370), (2640, 241896), (2880, 221738), (3168, 201580), (3520, 181422), (3960, 161264), (4224, 151185), (5280, 120948), (5760, 110869), (6336, 100790), (7040, 90711), (7920, 80632), (10079, 63360), (10560, 60474), (12672, 50395), (15840, 40316), (20158, 31680), (21120, 30237)]