81209280

素因数分解:

$2^6\times 3^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{2917}}^1$

素因数の和:2966

約数の個数: 112

約数和(自身を含む): 266821920

約数和(自身を除く): 185612640

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 29, 30, 32, 40, 48, 58, 60, 64, 80, 87, 96, 116, 120, 145, 160, 174, 192, 232, 240, 290, 320, 348, 435, 464, 480, 580, 696, 870, 928, 960, 1160, 1392, 1740, 1856, 2320, 2784, 2917, 3480, 4640, 5568, 5834, 6960, 8751, 9280, 11668, 13920, 14585, 17502, 23336, 27840, 29170, 35004, 43755, 46672, 58340, 70008, 84593, 87510, 93344, 116680, 140016, 169186, 175020, 186688, 233360, 253779, 280032, 338372, 350040, 422965, 466720, 507558, 560064, 676744, 700080, 845930, 933440, 1015116, 1268895, 1353488, 1400160, 1691860, 2030232, 2537790, 2706976, 2800320, 3383720, 4060464, 5075580, 5413952, 6767440, 8120928, 10151160, 13534880, 16241856, 20302320, 27069760, 40604640, 81209280]

約数ペア:

[(1, 81209280), (2, 40604640), (3, 27069760), (4, 20302320), (5, 16241856), (6, 13534880), (8, 10151160), (10, 8120928), (12, 6767440), (15, 5413952), (16, 5075580), (20, 4060464), (24, 3383720), (29, 2800320), (30, 2706976), (32, 2537790), (40, 2030232), (48, 1691860), (58, 1400160), (60, 1353488), (64, 1268895), (80, 1015116), (87, 933440), (96, 845930), (116, 700080), (120, 676744), (145, 560064), (160, 507558), (174, 466720), (192, 422965), (232, 350040), (240, 338372), (290, 280032), (320, 253779), (348, 233360), (435, 186688), (464, 175020), (480, 169186), (580, 140016), (696, 116680), (870, 93344), (928, 87510), (960, 84593), (1160, 70008), (1392, 58340), (1740, 46672), (1856, 43755), (2320, 35004), (2784, 29170), (2917, 27840), (3480, 23336), (4640, 17502), (5568, 14585), (5834, 13920), (6960, 11668), (8751, 9280)]