1028874880

素因数分解:

$2^7\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{1447}}^1$

素因数の和:1578

約数の個数: 128

約数和(自身を含む): 2711698560

約数和(自身を除く): 1682823680

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 64, 80, 88, 101, 110, 128, 160, 176, 202, 220, 320, 352, 404, 440, 505, 640, 704, 808, 880, 1010, 1111, 1408, 1447, 1616, 1760, 2020, 2222, 2894, 3232, 3520, 4040, 4444, 5555, 5788, 6464, 7040, 7235, 8080, 8888, 11110, 11576, 12928, 14470, 15917, 16160, 17776, 22220, 23152, 28940, 31834, 32320, 35552, 44440, 46304, 57880, 63668, 64640, 71104, 79585, 88880, 92608, 115760, 127336, 142208, 146147, 159170, 177760, 185216, 231520, 254672, 292294, 318340, 355520, 463040, 509344, 584588, 636680, 711040, 730735, 926080, 1018688, 1169176, 1273360, 1461470, 1607617, 2037376, 2338352, 2546720, 2922940, 3215234, 4676704, 5093440, 5845880, 6430468, 8038085, 9353408, 10186880, 11691760, 12860936, 16076170, 18706816, 23383520, 25721872, 32152340, 46767040, 51443744, 64304680, 93534080, 102887488, 128609360, 205774976, 257218720, 514437440, 1028874880]

約数ペア:

[(1, 1028874880), (2, 514437440), (4, 257218720), (5, 205774976), (8, 128609360), (10, 102887488), (11, 93534080), (16, 64304680), (20, 51443744), (22, 46767040), (32, 32152340), (40, 25721872), (44, 23383520), (55, 18706816), (64, 16076170), (80, 12860936), (88, 11691760), (101, 10186880), (110, 9353408), (128, 8038085), (160, 6430468), (176, 5845880), (202, 5093440), (220, 4676704), (320, 3215234), (352, 2922940), (404, 2546720), (440, 2338352), (505, 2037376), (640, 1607617), (704, 1461470), (808, 1273360), (880, 1169176), (1010, 1018688), (1111, 926080), (1408, 730735), (1447, 711040), (1616, 636680), (1760, 584588), (2020, 509344), (2222, 463040), (2894, 355520), (3232, 318340), (3520, 292294), (4040, 254672), (4444, 231520), (5555, 185216), (5788, 177760), (6464, 159170), (7040, 146147), (7235, 142208), (8080, 127336), (8888, 115760), (11110, 92608), (11576, 88880), (12928, 79585), (14470, 71104), (15917, 64640), (16160, 63668), (17776, 57880), (22220, 46304), (23152, 44440), (28940, 35552), (31834, 32320)]