51457120

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{173}}^1$

素因数の和:225

約数の個数: 144

約数和(自身を含む): 144435312

約数和(自身を除く): 92978192

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 169, 173, 176, 208, 220, 260, 286, 338, 346, 352, 416, 440, 520, 572, 676, 692, 715, 845, 865, 880, 1040, 1144, 1352, 1384, 1430, 1690, 1730, 1760, 1859, 1903, 2080, 2249, 2288, 2704, 2768, 2860, 3380, 3460, 3718, 3806, 4498, 4576, 5408, 5536, 5720, 6760, 6920, 7436, 7612, 8996, 9295, 9515, 11245, 11440, 13520, 13840, 14872, 15224, 17992, 18590, 19030, 22490, 22880, 24739, 27040, 27680, 29237, 29744, 30448, 35984, 37180, 38060, 44980, 49478, 58474, 59488, 60896, 71968, 74360, 76120, 89960, 98956, 116948, 123695, 146185, 148720, 152240, 179920, 197912, 233896, 247390, 292370, 297440, 304480, 321607, 359840, 395824, 467792, 494780, 584740, 643214, 791648, 935584, 989560, 1169480, 1286428, 1608035, 1979120, 2338960, 2572856, 3216070, 3958240, 4677920, 5145712, 6432140, 10291424, 12864280, 25728560, 51457120]

約数ペア:

[(1, 51457120), (2, 25728560), (4, 12864280), (5, 10291424), (8, 6432140), (10, 5145712), (11, 4677920), (13, 3958240), (16, 3216070), (20, 2572856), (22, 2338960), (26, 1979120), (32, 1608035), (40, 1286428), (44, 1169480), (52, 989560), (55, 935584), (65, 791648), (80, 643214), (88, 584740), (104, 494780), (110, 467792), (130, 395824), (143, 359840), (160, 321607), (169, 304480), (173, 297440), (176, 292370), (208, 247390), (220, 233896), (260, 197912), (286, 179920), (338, 152240), (346, 148720), (352, 146185), (416, 123695), (440, 116948), (520, 98956), (572, 89960), (676, 76120), (692, 74360), (715, 71968), (845, 60896), (865, 59488), (880, 58474), (1040, 49478), (1144, 44980), (1352, 38060), (1384, 37180), (1430, 35984), (1690, 30448), (1730, 29744), (1760, 29237), (1859, 27680), (1903, 27040), (2080, 24739), (2249, 22880), (2288, 22490), (2704, 19030), (2768, 18590), (2860, 17992), (3380, 15224), (3460, 14872), (3718, 13840), (3806, 13520), (4498, 11440), (4576, 11245), (5408, 9515), (5536, 9295), (5720, 8996), (6760, 7612), (6920, 7436)]