71321520

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{6911}}^1$

素因数の和:6970

約数の個数: 80

約数和(自身を含む): 226271232

約数和(自身を除く): 154949712

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 60, 80, 86, 120, 129, 172, 215, 240, 258, 344, 430, 516, 645, 688, 860, 1032, 1290, 1720, 2064, 2580, 3440, 5160, 6911, 10320, 13822, 20733, 27644, 34555, 41466, 55288, 69110, 82932, 103665, 110576, 138220, 165864, 207330, 276440, 297173, 331728, 414660, 552880, 594346, 829320, 891519, 1188692, 1485865, 1658640, 1783038, 2377384, 2971730, 3566076, 4457595, 4754768, 5943460, 7132152, 8915190, 11886920, 14264304, 17830380, 23773840, 35660760, 71321520]

約数ペア:

[(1, 71321520), (2, 35660760), (3, 23773840), (4, 17830380), (5, 14264304), (6, 11886920), (8, 8915190), (10, 7132152), (12, 5943460), (15, 4754768), (16, 4457595), (20, 3566076), (24, 2971730), (30, 2377384), (40, 1783038), (43, 1658640), (48, 1485865), (60, 1188692), (80, 891519), (86, 829320), (120, 594346), (129, 552880), (172, 414660), (215, 331728), (240, 297173), (258, 276440), (344, 207330), (430, 165864), (516, 138220), (645, 110576), (688, 103665), (860, 82932), (1032, 69110), (1290, 55288), (1720, 41466), (2064, 34555), (2580, 27644), (3440, 20733), (5160, 13822), (6911, 10320)]