1279431936

素因数分解:

$2^8\times 3^5\times {\mathrm{131}}^1\times {\mathrm{157}}^1$

素因数の和:319

約数の個数: 216

約数和(自身を含む): 3879299424

約数和(自身を除く): 2599867488

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 81, 96, 108, 128, 131, 144, 157, 162, 192, 216, 243, 256, 262, 288, 314, 324, 384, 393, 432, 471, 486, 524, 576, 628, 648, 768, 786, 864, 942, 972, 1048, 1152, 1179, 1256, 1296, 1413, 1572, 1728, 1884, 1944, 2096, 2304, 2358, 2512, 2592, 2826, 3144, 3456, 3537, 3768, 3888, 4192, 4239, 4716, 5024, 5184, 5652, 6288, 6912, 7074, 7536, 7776, 8384, 8478, 9432, 10048, 10368, 10611, 11304, 12576, 12717, 14148, 15072, 15552, 16768, 16956, 18864, 20096, 20567, 20736, 21222, 22608, 25152, 25434, 28296, 30144, 31104, 31833, 33536, 33912, 37728, 38151, 40192, 41134, 42444, 45216, 50304, 50868, 56592, 60288, 61701, 62208, 63666, 67824, 75456, 76302, 82268, 84888, 90432, 100608, 101736, 113184, 120576, 123402, 127332, 135648, 150912, 152604, 164536, 169776, 180864, 185103, 203472, 226368, 246804, 254664, 271296, 301824, 305208, 329072, 339552, 361728, 370206, 406944, 452736, 493608, 509328, 542592, 555309, 610416, 658144, 679104, 740412, 813888, 905472, 987216, 1018656, 1085184, 1110618, 1220832, 1316288, 1358208, 1480824, 1627776, 1665927, 1974432, 2037312, 2221236, 2441664, 2632576, 2716416, 2961648, 3255552, 3331854, 3948864, 4074624, 4442472, 4883328, 4997781, 5265152, 5923296, 6663708, 7897728, 8149248, 8884944, 9766656, 9995562, 11846592, 13327416, 15795456, 17769888, 19991124, 23693184, 26654832, 35539776, 39982248, 47386368, 53309664, 71079552, 79964496, 106619328, 142159104, 159928992, 213238656, 319857984, 426477312, 639715968, 1279431936]

約数ペア:

[(1, 1279431936), (2, 639715968), (3, 426477312), (4, 319857984), (6, 213238656), (8, 159928992), (9, 142159104), (12, 106619328), (16, 79964496), (18, 71079552), (24, 53309664), (27, 47386368), (32, 39982248), (36, 35539776), (48, 26654832), (54, 23693184), (64, 19991124), (72, 17769888), (81, 15795456), (96, 13327416), (108, 11846592), (128, 9995562), (131, 9766656), (144, 8884944), (157, 8149248), (162, 7897728), (192, 6663708), (216, 5923296), (243, 5265152), (256, 4997781), (262, 4883328), (288, 4442472), (314, 4074624), (324, 3948864), (384, 3331854), (393, 3255552), (432, 2961648), (471, 2716416), (486, 2632576), (524, 2441664), (576, 2221236), (628, 2037312), (648, 1974432), (768, 1665927), (786, 1627776), (864, 1480824), (942, 1358208), (972, 1316288), (1048, 1220832), (1152, 1110618), (1179, 1085184), (1256, 1018656), (1296, 987216), (1413, 905472), (1572, 813888), (1728, 740412), (1884, 679104), (1944, 658144), (2096, 610416), (2304, 555309), (2358, 542592), (2512, 509328), (2592, 493608), (2826, 452736), (3144, 406944), (3456, 370206), (3537, 361728), (3768, 339552), (3888, 329072), (4192, 305208), (4239, 301824), (4716, 271296), (5024, 254664), (5184, 246804), (5652, 226368), (6288, 203472), (6912, 185103), (7074, 180864), (7536, 169776), (7776, 164536), (8384, 152604), (8478, 150912), (9432, 135648), (10048, 127332), (10368, 123402), (10611, 120576), (11304, 113184), (12576, 101736), (12717, 100608), (14148, 90432), (15072, 84888), (15552, 82268), (16768, 76302), (16956, 75456), (18864, 67824), (20096, 63666), (20567, 62208), (20736, 61701), (21222, 60288), (22608, 56592), (25152, 50868), (25434, 50304), (28296, 45216), (30144, 42444), (31104, 41134), (31833, 40192), (33536, 38151), (33912, 37728)]