68939520

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{1381}}^1$

素因数の和:1418

約数の個数: 144

約数和(自身を含む): 237283872

約数和(自身を除く): 168344352

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 32, 39, 40, 48, 52, 60, 64, 65, 78, 80, 96, 104, 120, 128, 130, 156, 160, 192, 195, 208, 240, 256, 260, 312, 320, 384, 390, 416, 480, 520, 624, 640, 768, 780, 832, 960, 1040, 1248, 1280, 1381, 1560, 1664, 1920, 2080, 2496, 2762, 3120, 3328, 3840, 4143, 4160, 4992, 5524, 6240, 6905, 8286, 8320, 9984, 11048, 12480, 13810, 16572, 16640, 17953, 20715, 22096, 24960, 27620, 33144, 35906, 41430, 44192, 49920, 53859, 55240, 66288, 71812, 82860, 88384, 89765, 107718, 110480, 132576, 143624, 165720, 176768, 179530, 215436, 220960, 265152, 269295, 287248, 331440, 353536, 359060, 430872, 441920, 530304, 538590, 574496, 662880, 718120, 861744, 883840, 1060608, 1077180, 1148992, 1325760, 1436240, 1723488, 1767680, 2154360, 2297984, 2651520, 2872480, 3446976, 4308720, 4595968, 5303040, 5744960, 6893952, 8617440, 11489920, 13787904, 17234880, 22979840, 34469760, 68939520]

約数ペア:

[(1, 68939520), (2, 34469760), (3, 22979840), (4, 17234880), (5, 13787904), (6, 11489920), (8, 8617440), (10, 6893952), (12, 5744960), (13, 5303040), (15, 4595968), (16, 4308720), (20, 3446976), (24, 2872480), (26, 2651520), (30, 2297984), (32, 2154360), (39, 1767680), (40, 1723488), (48, 1436240), (52, 1325760), (60, 1148992), (64, 1077180), (65, 1060608), (78, 883840), (80, 861744), (96, 718120), (104, 662880), (120, 574496), (128, 538590), (130, 530304), (156, 441920), (160, 430872), (192, 359060), (195, 353536), (208, 331440), (240, 287248), (256, 269295), (260, 265152), (312, 220960), (320, 215436), (384, 179530), (390, 176768), (416, 165720), (480, 143624), (520, 132576), (624, 110480), (640, 107718), (768, 89765), (780, 88384), (832, 82860), (960, 71812), (1040, 66288), (1248, 55240), (1280, 53859), (1381, 49920), (1560, 44192), (1664, 41430), (1920, 35906), (2080, 33144), (2496, 27620), (2762, 24960), (3120, 22096), (3328, 20715), (3840, 17953), (4143, 16640), (4160, 16572), (4992, 13810), (5524, 12480), (6240, 11048), (6905, 9984), (8286, 8320)]