128935872

素因数分解:

$2^6\times 3^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1$

素因数の和:355

約数の個数: 168

約数和(自身を含む): 405512016

約数和(自身を除く): 276576144

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 64, 67, 72, 78, 96, 104, 117, 134, 144, 156, 192, 201, 208, 234, 257, 268, 288, 312, 402, 416, 468, 514, 536, 576, 603, 624, 771, 804, 832, 871, 936, 1028, 1072, 1206, 1248, 1542, 1608, 1742, 1872, 2056, 2144, 2313, 2412, 2496, 2613, 3084, 3216, 3341, 3484, 3744, 4112, 4288, 4626, 4824, 5226, 6168, 6432, 6682, 6968, 7488, 7839, 8224, 9252, 9648, 10023, 10452, 12336, 12864, 13364, 13936, 15678, 16448, 17219, 18504, 19296, 20046, 20904, 24672, 26728, 27872, 30069, 31356, 34438, 37008, 38592, 40092, 41808, 49344, 51657, 53456, 55744, 60138, 62712, 68876, 74016, 80184, 83616, 103314, 106912, 120276, 125424, 137752, 148032, 154971, 160368, 167232, 206628, 213824, 223847, 240552, 250848, 275504, 309942, 320736, 413256, 447694, 481104, 501696, 551008, 619884, 641472, 671541, 826512, 895388, 962208, 1102016, 1239768, 1343082, 1653024, 1790776, 1924416, 2014623, 2479536, 2686164, 3306048, 3581552, 4029246, 4959072, 5372328, 7163104, 8058492, 9918144, 10744656, 14326208, 16116984, 21489312, 32233968, 42978624, 64467936, 128935872]

約数ペア:

[(1, 128935872), (2, 64467936), (3, 42978624), (4, 32233968), (6, 21489312), (8, 16116984), (9, 14326208), (12, 10744656), (13, 9918144), (16, 8058492), (18, 7163104), (24, 5372328), (26, 4959072), (32, 4029246), (36, 3581552), (39, 3306048), (48, 2686164), (52, 2479536), (64, 2014623), (67, 1924416), (72, 1790776), (78, 1653024), (96, 1343082), (104, 1239768), (117, 1102016), (134, 962208), (144, 895388), (156, 826512), (192, 671541), (201, 641472), (208, 619884), (234, 551008), (257, 501696), (268, 481104), (288, 447694), (312, 413256), (402, 320736), (416, 309942), (468, 275504), (514, 250848), (536, 240552), (576, 223847), (603, 213824), (624, 206628), (771, 167232), (804, 160368), (832, 154971), (871, 148032), (936, 137752), (1028, 125424), (1072, 120276), (1206, 106912), (1248, 103314), (1542, 83616), (1608, 80184), (1742, 74016), (1872, 68876), (2056, 62712), (2144, 60138), (2313, 55744), (2412, 53456), (2496, 51657), (2613, 49344), (3084, 41808), (3216, 40092), (3341, 38592), (3484, 37008), (3744, 34438), (4112, 31356), (4288, 30069), (4626, 27872), (4824, 26728), (5226, 24672), (6168, 20904), (6432, 20046), (6682, 19296), (6968, 18504), (7488, 17219), (7839, 16448), (8224, 15678), (9252, 13936), (9648, 13364), (10023, 12864), (10452, 12336)]