261182688

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1$

素因数の和:257

約数の個数: 192

約数和(自身を含む): 784852992

約数和(自身を除く): 523670304

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 43, 48, 52, 62, 78, 86, 93, 96, 104, 124, 129, 156, 157, 172, 186, 208, 248, 258, 312, 314, 344, 372, 403, 416, 471, 496, 516, 559, 624, 628, 688, 744, 806, 942, 992, 1032, 1118, 1209, 1248, 1256, 1333, 1376, 1488, 1612, 1677, 1884, 2041, 2064, 2236, 2418, 2512, 2666, 2976, 3224, 3354, 3768, 3999, 4082, 4128, 4472, 4836, 4867, 5024, 5332, 6123, 6448, 6708, 6751, 7536, 7998, 8164, 8944, 9672, 9734, 10664, 12246, 12896, 13416, 13502, 14601, 15072, 15996, 16328, 17329, 17888, 19344, 19468, 20253, 21328, 24492, 26832, 27004, 29202, 31992, 32656, 34658, 38688, 38936, 40506, 42656, 48984, 51987, 53664, 54008, 58404, 63271, 63984, 65312, 69316, 77872, 81012, 87763, 97968, 103974, 108016, 116808, 126542, 127968, 138632, 155744, 162024, 175526, 189813, 195936, 207948, 209281, 216032, 233616, 253084, 263289, 277264, 324048, 351052, 379626, 415896, 418562, 467232, 506168, 526578, 554528, 627843, 648096, 702104, 759252, 831792, 837124, 1012336, 1053156, 1255686, 1404208, 1518504, 1663584, 1674248, 2024672, 2106312, 2511372, 2720653, 2808416, 3037008, 3348496, 4212624, 5022744, 5441306, 6074016, 6696992, 8161959, 8425248, 10045488, 10882612, 16323918, 20090976, 21765224, 32647836, 43530448, 65295672, 87060896, 130591344, 261182688]

約数ペア:

[(1, 261182688), (2, 130591344), (3, 87060896), (4, 65295672), (6, 43530448), (8, 32647836), (12, 21765224), (13, 20090976), (16, 16323918), (24, 10882612), (26, 10045488), (31, 8425248), (32, 8161959), (39, 6696992), (43, 6074016), (48, 5441306), (52, 5022744), (62, 4212624), (78, 3348496), (86, 3037008), (93, 2808416), (96, 2720653), (104, 2511372), (124, 2106312), (129, 2024672), (156, 1674248), (157, 1663584), (172, 1518504), (186, 1404208), (208, 1255686), (248, 1053156), (258, 1012336), (312, 837124), (314, 831792), (344, 759252), (372, 702104), (403, 648096), (416, 627843), (471, 554528), (496, 526578), (516, 506168), (559, 467232), (624, 418562), (628, 415896), (688, 379626), (744, 351052), (806, 324048), (942, 277264), (992, 263289), (1032, 253084), (1118, 233616), (1209, 216032), (1248, 209281), (1256, 207948), (1333, 195936), (1376, 189813), (1488, 175526), (1612, 162024), (1677, 155744), (1884, 138632), (2041, 127968), (2064, 126542), (2236, 116808), (2418, 108016), (2512, 103974), (2666, 97968), (2976, 87763), (3224, 81012), (3354, 77872), (3768, 69316), (3999, 65312), (4082, 63984), (4128, 63271), (4472, 58404), (4836, 54008), (4867, 53664), (5024, 51987), (5332, 48984), (6123, 42656), (6448, 40506), (6708, 38936), (6751, 38688), (7536, 34658), (7998, 32656), (8164, 31992), (8944, 29202), (9672, 27004), (9734, 26832), (10664, 24492), (12246, 21328), (12896, 20253), (13416, 19468), (13502, 19344), (14601, 17888), (15072, 17329), (15996, 16328)]