68007680

素因数分解:

$2^8\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:162

約数の個数: 144

約数和(自身を含む): 180967584

約数和(自身を除く): 112959904

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 61, 64, 65, 67, 80, 104, 122, 128, 130, 134, 160, 208, 244, 256, 260, 268, 305, 320, 335, 416, 488, 520, 536, 610, 640, 670, 793, 832, 871, 976, 1040, 1072, 1220, 1280, 1340, 1586, 1664, 1742, 1952, 2080, 2144, 2440, 2680, 3172, 3328, 3484, 3904, 3965, 4087, 4160, 4288, 4355, 4880, 5360, 6344, 6968, 7808, 7930, 8174, 8320, 8576, 8710, 9760, 10720, 12688, 13936, 15616, 15860, 16348, 16640, 17152, 17420, 19520, 20435, 21440, 25376, 27872, 31720, 32696, 34840, 39040, 40870, 42880, 50752, 53131, 55744, 63440, 65392, 69680, 78080, 81740, 85760, 101504, 106262, 111488, 126880, 130784, 139360, 163480, 203008, 212524, 222976, 253760, 261568, 265655, 278720, 326960, 425048, 507520, 523136, 531310, 557440, 653920, 850096, 1015040, 1046272, 1062620, 1114880, 1307840, 1700192, 2125240, 2615680, 3400384, 4250480, 5231360, 6800768, 8500960, 13601536, 17001920, 34003840, 68007680]

約数ペア:

[(1, 68007680), (2, 34003840), (4, 17001920), (5, 13601536), (8, 8500960), (10, 6800768), (13, 5231360), (16, 4250480), (20, 3400384), (26, 2615680), (32, 2125240), (40, 1700192), (52, 1307840), (61, 1114880), (64, 1062620), (65, 1046272), (67, 1015040), (80, 850096), (104, 653920), (122, 557440), (128, 531310), (130, 523136), (134, 507520), (160, 425048), (208, 326960), (244, 278720), (256, 265655), (260, 261568), (268, 253760), (305, 222976), (320, 212524), (335, 203008), (416, 163480), (488, 139360), (520, 130784), (536, 126880), (610, 111488), (640, 106262), (670, 101504), (793, 85760), (832, 81740), (871, 78080), (976, 69680), (1040, 65392), (1072, 63440), (1220, 55744), (1280, 53131), (1340, 50752), (1586, 42880), (1664, 40870), (1742, 39040), (1952, 34840), (2080, 32696), (2144, 31720), (2440, 27872), (2680, 25376), (3172, 21440), (3328, 20435), (3484, 19520), (3904, 17420), (3965, 17152), (4087, 16640), (4160, 16348), (4288, 15860), (4355, 15616), (4880, 13936), (5360, 12688), (6344, 10720), (6968, 9760), (7808, 8710), (7930, 8576), (8174, 8320)]