90551120

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{2393}}^1$

素因数の和:2460

約数の個数: 80

約数和(自身を含む): 235109952

約数和(自身を除く): 144558832

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 43, 44, 55, 80, 86, 88, 110, 172, 176, 215, 220, 344, 430, 440, 473, 688, 860, 880, 946, 1720, 1892, 2365, 2393, 3440, 3784, 4730, 4786, 7568, 9460, 9572, 11965, 18920, 19144, 23930, 26323, 37840, 38288, 47860, 52646, 95720, 102899, 105292, 131615, 191440, 205798, 210584, 263230, 411596, 421168, 514495, 526460, 823192, 1028990, 1052920, 1131889, 1646384, 2057980, 2105840, 2263778, 4115960, 4527556, 5659445, 8231920, 9055112, 11318890, 18110224, 22637780, 45275560, 90551120]

約数ペア:

[(1, 90551120), (2, 45275560), (4, 22637780), (5, 18110224), (8, 11318890), (10, 9055112), (11, 8231920), (16, 5659445), (20, 4527556), (22, 4115960), (40, 2263778), (43, 2105840), (44, 2057980), (55, 1646384), (80, 1131889), (86, 1052920), (88, 1028990), (110, 823192), (172, 526460), (176, 514495), (215, 421168), (220, 411596), (344, 263230), (430, 210584), (440, 205798), (473, 191440), (688, 131615), (860, 105292), (880, 102899), (946, 95720), (1720, 52646), (1892, 47860), (2365, 38288), (2393, 37840), (3440, 26323), (3784, 23930), (4730, 19144), (4786, 18920), (7568, 11965), (9460, 9572)]