1811178720

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3121}}^1$

素因数の和:3186

約数の個数: 288

約数和(自身を含む): 6872995584

約数和(自身を除く): 5061816864

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 30, 31, 32, 36, 39, 40, 45, 48, 52, 60, 62, 65, 72, 78, 80, 90, 93, 96, 104, 117, 120, 124, 130, 144, 155, 156, 160, 180, 186, 195, 208, 234, 240, 248, 260, 279, 288, 310, 312, 360, 372, 390, 403, 416, 465, 468, 480, 496, 520, 558, 585, 620, 624, 720, 744, 780, 806, 930, 936, 992, 1040, 1116, 1170, 1209, 1240, 1248, 1395, 1440, 1488, 1560, 1612, 1860, 1872, 2015, 2080, 2232, 2340, 2418, 2480, 2790, 2976, 3120, 3121, 3224, 3627, 3720, 3744, 4030, 4464, 4680, 4836, 4960, 5580, 6045, 6240, 6242, 6448, 7254, 7440, 8060, 8928, 9360, 9363, 9672, 11160, 12090, 12484, 12896, 14508, 14880, 15605, 16120, 18135, 18720, 18726, 19344, 22320, 24180, 24968, 28089, 29016, 31210, 32240, 36270, 37452, 38688, 40573, 44640, 46815, 48360, 49936, 56178, 58032, 62420, 64480, 72540, 74904, 81146, 93630, 96720, 96751, 99872, 112356, 116064, 121719, 124840, 140445, 145080, 149808, 162292, 187260, 193440, 193502, 202865, 224712, 243438, 249680, 280890, 290160, 290253, 299616, 324584, 365157, 374520, 387004, 405730, 449424, 483755, 486876, 499360, 561780, 580320, 580506, 608595, 649168, 730314, 749040, 774008, 811460, 870759, 898848, 967510, 973752, 1123560, 1161012, 1217190, 1257763, 1298336, 1451265, 1460628, 1498080, 1548016, 1622920, 1741518, 1825785, 1935020, 1947504, 2247120, 2322024, 2434380, 2515526, 2902530, 2921256, 3096032, 3245840, 3483036, 3651570, 3773289, 3870040, 3895008, 4353795, 4494240, 4644048, 4868760, 5031052, 5805060, 5842512, 6288815, 6491680, 6966072, 7303140, 7546578, 7740080, 8707590, 9288096, 9737520, 10062104, 11319867, 11610120, 11685024, 12577630, 13932144, 14606280, 15093156, 15480160, 17415180, 18866445, 19475040, 20124208, 22639734, 23220240, 25155260, 27864288, 29212560, 30186312, 34830360, 37732890, 40248416, 45279468, 46440480, 50310520, 56599335, 58425120, 60372624, 69660720, 75465780, 90558936, 100621040, 113198670, 120745248, 139321440, 150931560, 181117872, 201242080, 226397340, 301863120, 362235744, 452794680, 603726240, 905589360, 1811178720]

約数ペア:

[(1, 1811178720), (2, 905589360), (3, 603726240), (4, 452794680), (5, 362235744), (6, 301863120), (8, 226397340), (9, 201242080), (10, 181117872), (12, 150931560), (13, 139321440), (15, 120745248), (16, 113198670), (18, 100621040), (20, 90558936), (24, 75465780), (26, 69660720), (30, 60372624), (31, 58425120), (32, 56599335), (36, 50310520), (39, 46440480), (40, 45279468), (45, 40248416), (48, 37732890), (52, 34830360), (60, 30186312), (62, 29212560), (65, 27864288), (72, 25155260), (78, 23220240), (80, 22639734), (90, 20124208), (93, 19475040), (96, 18866445), (104, 17415180), (117, 15480160), (120, 15093156), (124, 14606280), (130, 13932144), (144, 12577630), (155, 11685024), (156, 11610120), (160, 11319867), (180, 10062104), (186, 9737520), (195, 9288096), (208, 8707590), (234, 7740080), (240, 7546578), (248, 7303140), (260, 6966072), (279, 6491680), (288, 6288815), (310, 5842512), (312, 5805060), (360, 5031052), (372, 4868760), (390, 4644048), (403, 4494240), (416, 4353795), (465, 3895008), (468, 3870040), (480, 3773289), (496, 3651570), (520, 3483036), (558, 3245840), (585, 3096032), (620, 2921256), (624, 2902530), (720, 2515526), (744, 2434380), (780, 2322024), (806, 2247120), (930, 1947504), (936, 1935020), (992, 1825785), (1040, 1741518), (1116, 1622920), (1170, 1548016), (1209, 1498080), (1240, 1460628), (1248, 1451265), (1395, 1298336), (1440, 1257763), (1488, 1217190), (1560, 1161012), (1612, 1123560), (1860, 973752), (1872, 967510), (2015, 898848), (2080, 870759), (2232, 811460), (2340, 774008), (2418, 749040), (2480, 730314), (2790, 649168), (2976, 608595), (3120, 580506), (3121, 580320), (3224, 561780), (3627, 499360), (3720, 486876), (3744, 483755), (4030, 449424), (4464, 405730), (4680, 387004), (4836, 374520), (4960, 365157), (5580, 324584), (6045, 299616), (6240, 290253), (6242, 290160), (6448, 280890), (7254, 249680), (7440, 243438), (8060, 224712), (8928, 202865), (9360, 193502), (9363, 193440), (9672, 187260), (11160, 162292), (12090, 149808), (12484, 145080), (12896, 140445), (14508, 124840), (14880, 121719), (15605, 116064), (16120, 112356), (18135, 99872), (18720, 96751), (18726, 96720), (19344, 93630), (22320, 81146), (24180, 74904), (24968, 72540), (28089, 64480), (29016, 62420), (31210, 58032), (32240, 56178), (36270, 49936), (37452, 48360), (38688, 46815), (40573, 44640)]