28988880

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{53}}^2$

素因数の和:165

約数の個数: 120

約数和(自身を含む): 93723168

約数和(自身を除く): 64734288

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 43, 48, 53, 60, 80, 86, 106, 120, 129, 159, 172, 212, 215, 240, 258, 265, 318, 344, 424, 430, 516, 530, 636, 645, 688, 795, 848, 860, 1032, 1060, 1272, 1290, 1590, 1720, 2064, 2120, 2279, 2544, 2580, 2809, 3180, 3440, 4240, 4558, 5160, 5618, 6360, 6837, 8427, 9116, 10320, 11236, 11395, 12720, 13674, 14045, 16854, 18232, 22472, 22790, 27348, 28090, 33708, 34185, 36464, 42135, 44944, 45580, 54696, 56180, 67416, 68370, 84270, 91160, 109392, 112360, 120787, 134832, 136740, 168540, 182320, 224720, 241574, 273480, 337080, 362361, 483148, 546960, 603935, 674160, 724722, 966296, 1207870, 1449444, 1811805, 1932592, 2415740, 2898888, 3623610, 4831480, 5797776, 7247220, 9662960, 14494440, 28988880]

約数ペア:

[(1, 28988880), (2, 14494440), (3, 9662960), (4, 7247220), (5, 5797776), (6, 4831480), (8, 3623610), (10, 2898888), (12, 2415740), (15, 1932592), (16, 1811805), (20, 1449444), (24, 1207870), (30, 966296), (40, 724722), (43, 674160), (48, 603935), (53, 546960), (60, 483148), (80, 362361), (86, 337080), (106, 273480), (120, 241574), (129, 224720), (159, 182320), (172, 168540), (212, 136740), (215, 134832), (240, 120787), (258, 112360), (265, 109392), (318, 91160), (344, 84270), (424, 68370), (430, 67416), (516, 56180), (530, 54696), (636, 45580), (645, 44944), (688, 42135), (795, 36464), (848, 34185), (860, 33708), (1032, 28090), (1060, 27348), (1272, 22790), (1290, 22472), (1590, 18232), (1720, 16854), (2064, 14045), (2120, 13674), (2279, 12720), (2544, 11395), (2580, 11236), (2809, 10320), (3180, 9116), (3440, 8427), (4240, 6837), (4558, 6360), (5160, 5618)]