221996320

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{193}}^1$

素因数の和:307

約数の個数: 192

約数和(自身を含む): 657054720

約数和(自身を除く): 435058400

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 32, 35, 40, 52, 56, 65, 70, 79, 80, 91, 104, 112, 130, 140, 158, 160, 182, 193, 208, 224, 260, 280, 316, 364, 386, 395, 416, 455, 520, 553, 560, 632, 728, 772, 790, 910, 965, 1027, 1040, 1106, 1120, 1264, 1351, 1456, 1544, 1580, 1820, 1930, 2054, 2080, 2212, 2509, 2528, 2702, 2765, 2912, 3088, 3160, 3640, 3860, 4108, 4424, 5018, 5135, 5404, 5530, 6176, 6320, 6755, 7189, 7280, 7720, 8216, 8848, 10036, 10270, 10808, 11060, 12545, 12640, 13510, 14378, 14560, 15247, 15440, 16432, 17563, 17696, 20072, 20540, 21616, 22120, 25090, 27020, 28756, 30494, 30880, 32864, 35126, 35945, 40144, 41080, 43232, 44240, 50180, 54040, 57512, 60988, 70252, 71890, 76235, 80288, 82160, 87815, 88480, 100360, 106729, 108080, 115024, 121976, 140504, 143780, 152470, 164320, 175630, 198211, 200720, 213458, 216160, 230048, 243952, 281008, 287560, 304940, 351260, 396422, 401440, 426916, 487904, 533645, 562016, 575120, 609880, 702520, 792844, 853832, 991055, 1067290, 1150240, 1219760, 1387477, 1405040, 1585688, 1707664, 1982110, 2134580, 2439520, 2774954, 2810080, 3171376, 3415328, 3964220, 4269160, 5549908, 6342752, 6937385, 7928440, 8538320, 11099816, 13874770, 15856880, 17076640, 22199632, 27749540, 31713760, 44399264, 55499080, 110998160, 221996320]

約数ペア:

[(1, 221996320), (2, 110998160), (4, 55499080), (5, 44399264), (7, 31713760), (8, 27749540), (10, 22199632), (13, 17076640), (14, 15856880), (16, 13874770), (20, 11099816), (26, 8538320), (28, 7928440), (32, 6937385), (35, 6342752), (40, 5549908), (52, 4269160), (56, 3964220), (65, 3415328), (70, 3171376), (79, 2810080), (80, 2774954), (91, 2439520), (104, 2134580), (112, 1982110), (130, 1707664), (140, 1585688), (158, 1405040), (160, 1387477), (182, 1219760), (193, 1150240), (208, 1067290), (224, 991055), (260, 853832), (280, 792844), (316, 702520), (364, 609880), (386, 575120), (395, 562016), (416, 533645), (455, 487904), (520, 426916), (553, 401440), (560, 396422), (632, 351260), (728, 304940), (772, 287560), (790, 281008), (910, 243952), (965, 230048), (1027, 216160), (1040, 213458), (1106, 200720), (1120, 198211), (1264, 175630), (1351, 164320), (1456, 152470), (1544, 143780), (1580, 140504), (1820, 121976), (1930, 115024), (2054, 108080), (2080, 106729), (2212, 100360), (2509, 88480), (2528, 87815), (2702, 82160), (2765, 80288), (2912, 76235), (3088, 71890), (3160, 70252), (3640, 60988), (3860, 57512), (4108, 54040), (4424, 50180), (5018, 44240), (5135, 43232), (5404, 41080), (5530, 40144), (6176, 35945), (6320, 35126), (6755, 32864), (7189, 30880), (7280, 30494), (7720, 28756), (8216, 27020), (8848, 25090), (10036, 22120), (10270, 21616), (10808, 20540), (11060, 20072), (12545, 17696), (12640, 17563), (13510, 16432), (14378, 15440), (14560, 15247)]