281136960

素因数分解:

$2^6\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2503}}^1$

素因数の和:2542

約数の個数: 224

約数和(自身を含む): 1068506880

約数和(自身を除く): 787369920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 702, 720, 780, 832, 864, 936, 960, 1040, 1080, 1170, 1248, 1404, 1440, 1560, 1728, 1755, 1872, 2080, 2160, 2340, 2496, 2503, 2808, 2880, 3120, 3510, 3744, 4160, 4320, 4680, 5006, 5616, 6240, 7020, 7488, 7509, 8640, 9360, 10012, 11232, 12480, 12515, 14040, 15018, 18720, 20024, 22464, 22527, 25030, 28080, 30036, 32539, 37440, 37545, 40048, 45054, 50060, 56160, 60072, 65078, 67581, 75090, 80096, 90108, 97617, 100120, 112320, 112635, 120144, 130156, 135162, 150180, 160192, 162695, 180216, 195234, 200240, 225270, 240288, 260312, 270324, 292851, 300360, 325390, 337905, 360432, 390468, 400480, 450540, 480576, 488085, 520624, 540648, 585702, 600720, 650780, 675810, 720864, 780936, 800960, 878553, 901080, 976170, 1041248, 1081296, 1171404, 1201440, 1301560, 1351620, 1441728, 1464255, 1561872, 1757106, 1802160, 1952340, 2082496, 2162592, 2342808, 2402880, 2603120, 2703240, 2928510, 3123744, 3514212, 3604320, 3904680, 4325184, 4392765, 4685616, 5206240, 5406480, 5857020, 6247488, 7028424, 7208640, 7809360, 8785530, 9371232, 10412480, 10812960, 11714040, 14056848, 15618720, 17571060, 18742464, 21625920, 23428080, 28113696, 31237440, 35142120, 46856160, 56227392, 70284240, 93712320, 140568480, 281136960]

約数ペア:

[(1, 281136960), (2, 140568480), (3, 93712320), (4, 70284240), (5, 56227392), (6, 46856160), (8, 35142120), (9, 31237440), (10, 28113696), (12, 23428080), (13, 21625920), (15, 18742464), (16, 17571060), (18, 15618720), (20, 14056848), (24, 11714040), (26, 10812960), (27, 10412480), (30, 9371232), (32, 8785530), (36, 7809360), (39, 7208640), (40, 7028424), (45, 6247488), (48, 5857020), (52, 5406480), (54, 5206240), (60, 4685616), (64, 4392765), (65, 4325184), (72, 3904680), (78, 3604320), (80, 3514212), (90, 3123744), (96, 2928510), (104, 2703240), (108, 2603120), (117, 2402880), (120, 2342808), (130, 2162592), (135, 2082496), (144, 1952340), (156, 1802160), (160, 1757106), (180, 1561872), (192, 1464255), (195, 1441728), (208, 1351620), (216, 1301560), (234, 1201440), (240, 1171404), (260, 1081296), (270, 1041248), (288, 976170), (312, 901080), (320, 878553), (351, 800960), (360, 780936), (390, 720864), (416, 675810), (432, 650780), (468, 600720), (480, 585702), (520, 540648), (540, 520624), (576, 488085), (585, 480576), (624, 450540), (702, 400480), (720, 390468), (780, 360432), (832, 337905), (864, 325390), (936, 300360), (960, 292851), (1040, 270324), (1080, 260312), (1170, 240288), (1248, 225270), (1404, 200240), (1440, 195234), (1560, 180216), (1728, 162695), (1755, 160192), (1872, 150180), (2080, 135162), (2160, 130156), (2340, 120144), (2496, 112635), (2503, 112320), (2808, 100120), (2880, 97617), (3120, 90108), (3510, 80096), (3744, 75090), (4160, 67581), (4320, 65078), (4680, 60072), (5006, 56160), (5616, 50060), (6240, 45054), (7020, 40048), (7488, 37545), (7509, 37440), (8640, 32539), (9360, 30036), (10012, 28080), (11232, 25030), (12480, 22527), (12515, 22464), (14040, 20024), (15018, 18720)]