640089216

素因数分解:

$2^7\times 3^5\times {\mathrm{13}}^1\times {\mathrm{1583}}^1$

素因数の和:1625

約数の個数: 192

約数和(自身を含む): 2058376320

約数和(自身を除く): 1418287104

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 27, 32, 36, 39, 48, 52, 54, 64, 72, 78, 81, 96, 104, 108, 117, 128, 144, 156, 162, 192, 208, 216, 234, 243, 288, 312, 324, 351, 384, 416, 432, 468, 486, 576, 624, 648, 702, 832, 864, 936, 972, 1053, 1152, 1248, 1296, 1404, 1583, 1664, 1728, 1872, 1944, 2106, 2496, 2592, 2808, 3159, 3166, 3456, 3744, 3888, 4212, 4749, 4992, 5184, 5616, 6318, 6332, 7488, 7776, 8424, 9498, 10368, 11232, 12636, 12664, 14247, 14976, 15552, 16848, 18996, 20579, 22464, 25272, 25328, 28494, 31104, 33696, 37992, 41158, 42741, 44928, 50544, 50656, 56988, 61737, 67392, 75984, 82316, 85482, 101088, 101312, 113976, 123474, 128223, 134784, 151968, 164632, 170964, 185211, 202176, 202624, 227952, 246948, 256446, 303936, 329264, 341928, 370422, 384669, 404352, 455904, 493896, 512892, 555633, 607872, 658528, 683856, 740844, 769338, 911808, 987792, 1025784, 1111266, 1317056, 1367712, 1481688, 1538676, 1666899, 1823616, 1975584, 2051568, 2222532, 2634112, 2735424, 2963376, 3077352, 3333798, 3951168, 4103136, 4445064, 5000697, 5470848, 5926752, 6154704, 6667596, 7902336, 8206272, 8890128, 10001394, 11853504, 12309408, 13335192, 16412544, 17780256, 20002788, 23707008, 24618816, 26670384, 35560512, 40005576, 49237632, 53340768, 71121024, 80011152, 106681536, 160022304, 213363072, 320044608, 640089216]

約数ペア:

[(1, 640089216), (2, 320044608), (3, 213363072), (4, 160022304), (6, 106681536), (8, 80011152), (9, 71121024), (12, 53340768), (13, 49237632), (16, 40005576), (18, 35560512), (24, 26670384), (26, 24618816), (27, 23707008), (32, 20002788), (36, 17780256), (39, 16412544), (48, 13335192), (52, 12309408), (54, 11853504), (64, 10001394), (72, 8890128), (78, 8206272), (81, 7902336), (96, 6667596), (104, 6154704), (108, 5926752), (117, 5470848), (128, 5000697), (144, 4445064), (156, 4103136), (162, 3951168), (192, 3333798), (208, 3077352), (216, 2963376), (234, 2735424), (243, 2634112), (288, 2222532), (312, 2051568), (324, 1975584), (351, 1823616), (384, 1666899), (416, 1538676), (432, 1481688), (468, 1367712), (486, 1317056), (576, 1111266), (624, 1025784), (648, 987792), (702, 911808), (832, 769338), (864, 740844), (936, 683856), (972, 658528), (1053, 607872), (1152, 555633), (1248, 512892), (1296, 493896), (1404, 455904), (1583, 404352), (1664, 384669), (1728, 370422), (1872, 341928), (1944, 329264), (2106, 303936), (2496, 256446), (2592, 246948), (2808, 227952), (3159, 202624), (3166, 202176), (3456, 185211), (3744, 170964), (3888, 164632), (4212, 151968), (4749, 134784), (4992, 128223), (5184, 123474), (5616, 113976), (6318, 101312), (6332, 101088), (7488, 85482), (7776, 82316), (8424, 75984), (9498, 67392), (10368, 61737), (11232, 56988), (12636, 50656), (12664, 50544), (14247, 44928), (14976, 42741), (15552, 41158), (16848, 37992), (18996, 33696), (20579, 31104), (22464, 28494), (25272, 25328)]