208580960

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:197

約数の個数: 192

約数和(自身を含む): 593961984

約数和(自身を除く): 385381024

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 43, 56, 61, 70, 71, 80, 86, 112, 122, 140, 142, 160, 172, 215, 224, 244, 280, 284, 301, 305, 344, 355, 427, 430, 488, 497, 560, 568, 602, 610, 688, 710, 854, 860, 976, 994, 1120, 1136, 1204, 1220, 1376, 1420, 1505, 1708, 1720, 1952, 1988, 2135, 2272, 2408, 2440, 2485, 2623, 2840, 3010, 3053, 3416, 3440, 3976, 4270, 4331, 4816, 4880, 4970, 5246, 5680, 6020, 6106, 6832, 6880, 7952, 8540, 8662, 9632, 9760, 9940, 10492, 11360, 12040, 12212, 13115, 13664, 15265, 15904, 17080, 17324, 18361, 19880, 20984, 21371, 21655, 24080, 24424, 26230, 30317, 30530, 34160, 34648, 36722, 39760, 41968, 42742, 43310, 48160, 48848, 52460, 60634, 61060, 68320, 69296, 73444, 79520, 83936, 85484, 86620, 91805, 97696, 104920, 106855, 121268, 122120, 138592, 146888, 151585, 170968, 173240, 183610, 186233, 209840, 213710, 242536, 244240, 293776, 303170, 341936, 346480, 367220, 372466, 419680, 427420, 485072, 488480, 587552, 606340, 683872, 692960, 734440, 744932, 854840, 931165, 970144, 1212680, 1303631, 1468880, 1489864, 1709680, 1862330, 2425360, 2607262, 2937760, 2979728, 3419360, 3724660, 4850720, 5214524, 5959456, 6518155, 7449320, 10429048, 13036310, 14898640, 20858096, 26072620, 29797280, 41716192, 52145240, 104290480, 208580960]

約数ペア:

[(1, 208580960), (2, 104290480), (4, 52145240), (5, 41716192), (7, 29797280), (8, 26072620), (10, 20858096), (14, 14898640), (16, 13036310), (20, 10429048), (28, 7449320), (32, 6518155), (35, 5959456), (40, 5214524), (43, 4850720), (56, 3724660), (61, 3419360), (70, 2979728), (71, 2937760), (80, 2607262), (86, 2425360), (112, 1862330), (122, 1709680), (140, 1489864), (142, 1468880), (160, 1303631), (172, 1212680), (215, 970144), (224, 931165), (244, 854840), (280, 744932), (284, 734440), (301, 692960), (305, 683872), (344, 606340), (355, 587552), (427, 488480), (430, 485072), (488, 427420), (497, 419680), (560, 372466), (568, 367220), (602, 346480), (610, 341936), (688, 303170), (710, 293776), (854, 244240), (860, 242536), (976, 213710), (994, 209840), (1120, 186233), (1136, 183610), (1204, 173240), (1220, 170968), (1376, 151585), (1420, 146888), (1505, 138592), (1708, 122120), (1720, 121268), (1952, 106855), (1988, 104920), (2135, 97696), (2272, 91805), (2408, 86620), (2440, 85484), (2485, 83936), (2623, 79520), (2840, 73444), (3010, 69296), (3053, 68320), (3416, 61060), (3440, 60634), (3976, 52460), (4270, 48848), (4331, 48160), (4816, 43310), (4880, 42742), (4970, 41968), (5246, 39760), (5680, 36722), (6020, 34648), (6106, 34160), (6832, 30530), (6880, 30317), (7952, 26230), (8540, 24424), (8662, 24080), (9632, 21655), (9760, 21371), (9940, 20984), (10492, 19880), (11360, 18361), (12040, 17324), (12212, 17080), (13115, 15904), (13664, 15265)]