721561680

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{2347}}^1$

素因数の和:2434

約数の個数: 240

約数和(自身を含む): 2816022144

約数和(自身を除く): 2094460464

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 61, 63, 70, 72, 80, 84, 90, 105, 112, 120, 122, 126, 140, 144, 168, 180, 183, 210, 240, 244, 252, 280, 305, 315, 336, 360, 366, 420, 427, 488, 504, 549, 560, 610, 630, 720, 732, 840, 854, 915, 976, 1008, 1098, 1220, 1260, 1281, 1464, 1680, 1708, 1830, 2135, 2196, 2347, 2440, 2520, 2562, 2745, 2928, 3416, 3660, 3843, 4270, 4392, 4694, 4880, 5040, 5124, 5490, 6405, 6832, 7041, 7320, 7686, 8540, 8784, 9388, 10248, 10980, 11735, 12810, 14082, 14640, 15372, 16429, 17080, 18776, 19215, 20496, 21123, 21960, 23470, 25620, 28164, 30744, 32858, 34160, 35205, 37552, 38430, 42246, 43920, 46940, 49287, 51240, 56328, 61488, 65716, 70410, 76860, 82145, 84492, 93880, 98574, 102480, 105615, 112656, 131432, 140820, 143167, 147861, 153720, 164290, 168984, 187760, 197148, 211230, 246435, 262864, 281640, 286334, 295722, 307440, 328580, 337968, 394296, 422460, 429501, 492870, 563280, 572668, 591444, 657160, 715835, 739305, 788592, 844920, 859002, 985740, 1002169, 1145336, 1182888, 1288503, 1314320, 1431670, 1478610, 1689840, 1718004, 1971480, 2004338, 2147505, 2290672, 2365776, 2577006, 2863340, 2957220, 3006507, 3436008, 3942960, 4008676, 4295010, 5010845, 5154012, 5726680, 5914440, 6013014, 6442515, 6872016, 8017352, 8590020, 9019521, 10021690, 10308024, 11453360, 11828880, 12026028, 12885030, 15032535, 16034704, 17180040, 18039042, 20043380, 20616048, 24052056, 25770060, 30065070, 34360080, 36078084, 40086760, 45097605, 48104112, 51540120, 60130140, 72156168, 80173520, 90195210, 103080240, 120260280, 144312336, 180390420, 240520560, 360780840, 721561680]

約数ペア:

[(1, 721561680), (2, 360780840), (3, 240520560), (4, 180390420), (5, 144312336), (6, 120260280), (7, 103080240), (8, 90195210), (9, 80173520), (10, 72156168), (12, 60130140), (14, 51540120), (15, 48104112), (16, 45097605), (18, 40086760), (20, 36078084), (21, 34360080), (24, 30065070), (28, 25770060), (30, 24052056), (35, 20616048), (36, 20043380), (40, 18039042), (42, 17180040), (45, 16034704), (48, 15032535), (56, 12885030), (60, 12026028), (61, 11828880), (63, 11453360), (70, 10308024), (72, 10021690), (80, 9019521), (84, 8590020), (90, 8017352), (105, 6872016), (112, 6442515), (120, 6013014), (122, 5914440), (126, 5726680), (140, 5154012), (144, 5010845), (168, 4295010), (180, 4008676), (183, 3942960), (210, 3436008), (240, 3006507), (244, 2957220), (252, 2863340), (280, 2577006), (305, 2365776), (315, 2290672), (336, 2147505), (360, 2004338), (366, 1971480), (420, 1718004), (427, 1689840), (488, 1478610), (504, 1431670), (549, 1314320), (560, 1288503), (610, 1182888), (630, 1145336), (720, 1002169), (732, 985740), (840, 859002), (854, 844920), (915, 788592), (976, 739305), (1008, 715835), (1098, 657160), (1220, 591444), (1260, 572668), (1281, 563280), (1464, 492870), (1680, 429501), (1708, 422460), (1830, 394296), (2135, 337968), (2196, 328580), (2347, 307440), (2440, 295722), (2520, 286334), (2562, 281640), (2745, 262864), (2928, 246435), (3416, 211230), (3660, 197148), (3843, 187760), (4270, 168984), (4392, 164290), (4694, 153720), (4880, 147861), (5040, 143167), (5124, 140820), (5490, 131432), (6405, 112656), (6832, 105615), (7041, 102480), (7320, 98574), (7686, 93880), (8540, 84492), (8784, 82145), (9388, 76860), (10248, 70410), (10980, 65716), (11735, 61488), (12810, 56328), (14082, 51240), (14640, 49287), (15372, 46940), (16429, 43920), (17080, 42246), (18776, 38430), (19215, 37552), (20496, 35205), (21123, 34160), (21960, 32858), (23470, 30744), (25620, 28164)]