197907840

素因数分解:

$2^7\times 3^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{881}}^1$

素因数の和:922

約数の個数: 256

約数和(自身を含む): 755697600

約数和(自身を除く): 557789760

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, 64, 65, 72, 78, 80, 90, 96, 104, 108, 117, 120, 128, 130, 135, 144, 156, 160, 180, 192, 195, 208, 216, 234, 240, 260, 270, 288, 312, 320, 351, 360, 384, 390, 416, 432, 468, 480, 520, 540, 576, 585, 624, 640, 702, 720, 780, 832, 864, 881, 936, 960, 1040, 1080, 1152, 1170, 1248, 1404, 1440, 1560, 1664, 1728, 1755, 1762, 1872, 1920, 2080, 2160, 2340, 2496, 2643, 2808, 2880, 3120, 3456, 3510, 3524, 3744, 4160, 4320, 4405, 4680, 4992, 5286, 5616, 5760, 6240, 7020, 7048, 7488, 7929, 8320, 8640, 8810, 9360, 10572, 11232, 11453, 12480, 13215, 14040, 14096, 14976, 15858, 17280, 17620, 18720, 21144, 22464, 22906, 23787, 24960, 26430, 28080, 28192, 31716, 34359, 35240, 37440, 39645, 42288, 44928, 45812, 47574, 52860, 56160, 56384, 57265, 63432, 68718, 70480, 74880, 79290, 84576, 91624, 95148, 103077, 105720, 112320, 112768, 114530, 118935, 126864, 137436, 140960, 158580, 169152, 171795, 183248, 190296, 206154, 211440, 224640, 229060, 237870, 253728, 274872, 281920, 309231, 317160, 338304, 343590, 366496, 380592, 412308, 422880, 458120, 475740, 507456, 515385, 549744, 563840, 618462, 634320, 687180, 732992, 761184, 824616, 845760, 916240, 951480, 1014912, 1030770, 1099488, 1236924, 1268640, 1374360, 1465984, 1522368, 1546155, 1649232, 1691520, 1832480, 1902960, 2061540, 2198976, 2473848, 2537280, 2748720, 3044736, 3092310, 3298464, 3664960, 3805920, 4123080, 4397952, 4947696, 5074560, 5497440, 6184620, 6596928, 7329920, 7611840, 8246160, 9895392, 10994880, 12369240, 13193856, 15223680, 16492320, 19790784, 21989760, 24738480, 32984640, 39581568, 49476960, 65969280, 98953920, 197907840]

約数ペア:

[(1, 197907840), (2, 98953920), (3, 65969280), (4, 49476960), (5, 39581568), (6, 32984640), (8, 24738480), (9, 21989760), (10, 19790784), (12, 16492320), (13, 15223680), (15, 13193856), (16, 12369240), (18, 10994880), (20, 9895392), (24, 8246160), (26, 7611840), (27, 7329920), (30, 6596928), (32, 6184620), (36, 5497440), (39, 5074560), (40, 4947696), (45, 4397952), (48, 4123080), (52, 3805920), (54, 3664960), (60, 3298464), (64, 3092310), (65, 3044736), (72, 2748720), (78, 2537280), (80, 2473848), (90, 2198976), (96, 2061540), (104, 1902960), (108, 1832480), (117, 1691520), (120, 1649232), (128, 1546155), (130, 1522368), (135, 1465984), (144, 1374360), (156, 1268640), (160, 1236924), (180, 1099488), (192, 1030770), (195, 1014912), (208, 951480), (216, 916240), (234, 845760), (240, 824616), (260, 761184), (270, 732992), (288, 687180), (312, 634320), (320, 618462), (351, 563840), (360, 549744), (384, 515385), (390, 507456), (416, 475740), (432, 458120), (468, 422880), (480, 412308), (520, 380592), (540, 366496), (576, 343590), (585, 338304), (624, 317160), (640, 309231), (702, 281920), (720, 274872), (780, 253728), (832, 237870), (864, 229060), (881, 224640), (936, 211440), (960, 206154), (1040, 190296), (1080, 183248), (1152, 171795), (1170, 169152), (1248, 158580), (1404, 140960), (1440, 137436), (1560, 126864), (1664, 118935), (1728, 114530), (1755, 112768), (1762, 112320), (1872, 105720), (1920, 103077), (2080, 95148), (2160, 91624), (2340, 84576), (2496, 79290), (2643, 74880), (2808, 70480), (2880, 68718), (3120, 63432), (3456, 57265), (3510, 56384), (3524, 56160), (3744, 52860), (4160, 47574), (4320, 45812), (4405, 44928), (4680, 42288), (4992, 39645), (5286, 37440), (5616, 35240), (5760, 34359), (6240, 31716), (7020, 28192), (7048, 28080), (7488, 26430), (7929, 24960), (8320, 23787), (8640, 22906), (8810, 22464), (9360, 21144), (10572, 18720), (11232, 17620), (11453, 17280), (12480, 15858), (13215, 14976), (14040, 14096)]