253771440

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{499}}^1$

素因数の和:691

約数の個数: 160

約数和(自身を含む): 854112000

約数和(自身を除く): 600340560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 16, 20, 24, 26, 30, 39, 40, 48, 52, 60, 65, 78, 80, 104, 120, 130, 156, 163, 195, 208, 240, 260, 312, 326, 390, 489, 499, 520, 624, 652, 780, 815, 978, 998, 1040, 1304, 1497, 1560, 1630, 1956, 1996, 2119, 2445, 2495, 2608, 2994, 3120, 3260, 3912, 3992, 4238, 4890, 4990, 5988, 6357, 6487, 6520, 7485, 7824, 7984, 8476, 9780, 9980, 10595, 11976, 12714, 12974, 13040, 14970, 16952, 19461, 19560, 19960, 21190, 23952, 25428, 25948, 29940, 31785, 32435, 33904, 38922, 39120, 39920, 42380, 50856, 51896, 59880, 63570, 64870, 77844, 81337, 84760, 97305, 101712, 103792, 119760, 127140, 129740, 155688, 162674, 169520, 194610, 244011, 254280, 259480, 311376, 325348, 389220, 406685, 488022, 508560, 518960, 650696, 778440, 813370, 976044, 1057381, 1220055, 1301392, 1556880, 1626740, 1952088, 2114762, 2440110, 3172143, 3253480, 3904176, 4229524, 4880220, 5286905, 6344286, 6506960, 8459048, 9760440, 10573810, 12688572, 15860715, 16918096, 19520880, 21147620, 25377144, 31721430, 42295240, 50754288, 63442860, 84590480, 126885720, 253771440]

約数ペア:

[(1, 253771440), (2, 126885720), (3, 84590480), (4, 63442860), (5, 50754288), (6, 42295240), (8, 31721430), (10, 25377144), (12, 21147620), (13, 19520880), (15, 16918096), (16, 15860715), (20, 12688572), (24, 10573810), (26, 9760440), (30, 8459048), (39, 6506960), (40, 6344286), (48, 5286905), (52, 4880220), (60, 4229524), (65, 3904176), (78, 3253480), (80, 3172143), (104, 2440110), (120, 2114762), (130, 1952088), (156, 1626740), (163, 1556880), (195, 1301392), (208, 1220055), (240, 1057381), (260, 976044), (312, 813370), (326, 778440), (390, 650696), (489, 518960), (499, 508560), (520, 488022), (624, 406685), (652, 389220), (780, 325348), (815, 311376), (978, 259480), (998, 254280), (1040, 244011), (1304, 194610), (1497, 169520), (1560, 162674), (1630, 155688), (1956, 129740), (1996, 127140), (2119, 119760), (2445, 103792), (2495, 101712), (2608, 97305), (2994, 84760), (3120, 81337), (3260, 77844), (3912, 64870), (3992, 63570), (4238, 59880), (4890, 51896), (4990, 50856), (5988, 42380), (6357, 39920), (6487, 39120), (6520, 38922), (7485, 33904), (7824, 32435), (7984, 31785), (8476, 29940), (9780, 25948), (9980, 25428), (10595, 23952), (11976, 21190), (12714, 19960), (12974, 19560), (13040, 19461), (14970, 16952)]