256258080

素因数分解:

$2^5\times 3^6\times 5^1\times {\mathrm{13}}^3$

素因数の和:72

約数の個数: 336

約数和(自身を含む): 983306520

約数和(自身を除く): 727048440

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 16, 18, 20, 24, 26, 27, 30, 32, 36, 39, 40, 45, 48, 52, 54, 60, 65, 72, 78, 80, 81, 90, 96, 104, 108, 117, 120, 130, 135, 144, 156, 160, 162, 169, 180, 195, 208, 216, 234, 240, 243, 260, 270, 288, 312, 324, 338, 351, 360, 390, 405, 416, 432, 468, 480, 486, 507, 520, 540, 585, 624, 648, 676, 702, 720, 729, 780, 810, 845, 864, 936, 972, 1014, 1040, 1053, 1080, 1170, 1215, 1248, 1296, 1352, 1404, 1440, 1458, 1521, 1560, 1620, 1690, 1755, 1872, 1944, 2028, 2080, 2106, 2160, 2197, 2340, 2430, 2535, 2592, 2704, 2808, 2916, 3042, 3120, 3159, 3240, 3380, 3510, 3645, 3744, 3888, 4056, 4212, 4320, 4394, 4563, 4680, 4860, 5070, 5265, 5408, 5616, 5832, 6084, 6240, 6318, 6480, 6591, 6760, 7020, 7290, 7605, 7776, 8112, 8424, 8788, 9126, 9360, 9477, 9720, 10140, 10530, 10985, 11232, 11664, 12168, 12636, 12960, 13182, 13520, 13689, 14040, 14580, 15210, 15795, 16224, 16848, 17576, 18252, 18720, 18954, 19440, 19773, 20280, 21060, 21970, 22815, 23328, 24336, 25272, 26364, 27040, 27378, 28080, 29160, 30420, 31590, 32955, 33696, 35152, 36504, 37908, 38880, 39546, 40560, 41067, 42120, 43940, 45630, 47385, 48672, 50544, 52728, 54756, 56160, 58320, 59319, 60840, 63180, 65910, 68445, 70304, 73008, 75816, 79092, 81120, 82134, 84240, 87880, 91260, 94770, 98865, 101088, 105456, 109512, 116640, 118638, 121680, 123201, 126360, 131820, 136890, 146016, 151632, 158184, 164268, 168480, 175760, 177957, 182520, 189540, 197730, 205335, 210912, 219024, 237276, 243360, 246402, 252720, 263640, 273780, 296595, 303264, 316368, 328536, 351520, 355914, 365040, 379080, 395460, 410670, 438048, 474552, 492804, 505440, 527280, 533871, 547560, 593190, 616005, 632736, 657072, 711828, 730080, 758160, 790920, 821340, 889785, 949104, 985608, 1054560, 1067742, 1095120, 1186380, 1232010, 1314144, 1423656, 1516320, 1581840, 1601613, 1642680, 1779570, 1898208, 1971216, 2135484, 2190240, 2372760, 2464020, 2669355, 2847312, 3163680, 3203226, 3285360, 3559140, 3942432, 4270968, 4745520, 4928040, 5338710, 5694624, 6406452, 6570720, 7118280, 8008065, 8541936, 9491040, 9856080, 10677420, 12812904, 14236560, 16016130, 17083872, 19712160, 21354840, 25625808, 28473120, 32032260, 42709680, 51251616, 64064520, 85419360, 128129040, 256258080]

約数ペア:

[(1, 256258080), (2, 128129040), (3, 85419360), (4, 64064520), (5, 51251616), (6, 42709680), (8, 32032260), (9, 28473120), (10, 25625808), (12, 21354840), (13, 19712160), (15, 17083872), (16, 16016130), (18, 14236560), (20, 12812904), (24, 10677420), (26, 9856080), (27, 9491040), (30, 8541936), (32, 8008065), (36, 7118280), (39, 6570720), (40, 6406452), (45, 5694624), (48, 5338710), (52, 4928040), (54, 4745520), (60, 4270968), (65, 3942432), (72, 3559140), (78, 3285360), (80, 3203226), (81, 3163680), (90, 2847312), (96, 2669355), (104, 2464020), (108, 2372760), (117, 2190240), (120, 2135484), (130, 1971216), (135, 1898208), (144, 1779570), (156, 1642680), (160, 1601613), (162, 1581840), (169, 1516320), (180, 1423656), (195, 1314144), (208, 1232010), (216, 1186380), (234, 1095120), (240, 1067742), (243, 1054560), (260, 985608), (270, 949104), (288, 889785), (312, 821340), (324, 790920), (338, 758160), (351, 730080), (360, 711828), (390, 657072), (405, 632736), (416, 616005), (432, 593190), (468, 547560), (480, 533871), (486, 527280), (507, 505440), (520, 492804), (540, 474552), (585, 438048), (624, 410670), (648, 395460), (676, 379080), (702, 365040), (720, 355914), (729, 351520), (780, 328536), (810, 316368), (845, 303264), (864, 296595), (936, 273780), (972, 263640), (1014, 252720), (1040, 246402), (1053, 243360), (1080, 237276), (1170, 219024), (1215, 210912), (1248, 205335), (1296, 197730), (1352, 189540), (1404, 182520), (1440, 177957), (1458, 175760), (1521, 168480), (1560, 164268), (1620, 158184), (1690, 151632), (1755, 146016), (1872, 136890), (1944, 131820), (2028, 126360), (2080, 123201), (2106, 121680), (2160, 118638), (2197, 116640), (2340, 109512), (2430, 105456), (2535, 101088), (2592, 98865), (2704, 94770), (2808, 91260), (2916, 87880), (3042, 84240), (3120, 82134), (3159, 81120), (3240, 79092), (3380, 75816), (3510, 73008), (3645, 70304), (3744, 68445), (3888, 65910), (4056, 63180), (4212, 60840), (4320, 59319), (4394, 58320), (4563, 56160), (4680, 54756), (4860, 52728), (5070, 50544), (5265, 48672), (5408, 47385), (5616, 45630), (5832, 43940), (6084, 42120), (6240, 41067), (6318, 40560), (6480, 39546), (6591, 38880), (6760, 37908), (7020, 36504), (7290, 35152), (7605, 33696), (7776, 32955), (8112, 31590), (8424, 30420), (8788, 29160), (9126, 28080), (9360, 27378), (9477, 27040), (9720, 26364), (10140, 25272), (10530, 24336), (10985, 23328), (11232, 22815), (11664, 21970), (12168, 21060), (12636, 20280), (12960, 19773), (13182, 19440), (13520, 18954), (13689, 18720), (14040, 18252), (14580, 17576), (15210, 16848), (15795, 16224)]