31236080

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^2\times {\mathrm{139}}^1$

素因数の和:258

約数の個数: 60

約数和(自身を含む): 74552520

約数和(自身を除く): 43316440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 139, 212, 265, 278, 424, 530, 556, 695, 848, 1060, 1112, 1390, 2120, 2224, 2780, 2809, 4240, 5560, 5618, 7367, 11120, 11236, 14045, 14734, 22472, 28090, 29468, 36835, 44944, 56180, 58936, 73670, 112360, 117872, 147340, 224720, 294680, 390451, 589360, 780902, 1561804, 1952255, 3123608, 3904510, 6247216, 7809020, 15618040, 31236080]

約数ペア:

[(1, 31236080), (2, 15618040), (4, 7809020), (5, 6247216), (8, 3904510), (10, 3123608), (16, 1952255), (20, 1561804), (40, 780902), (53, 589360), (80, 390451), (106, 294680), (139, 224720), (212, 147340), (265, 117872), (278, 112360), (424, 73670), (530, 58936), (556, 56180), (695, 44944), (848, 36835), (1060, 29468), (1112, 28090), (1390, 22472), (2120, 14734), (2224, 14045), (2780, 11236), (2809, 11120), (4240, 7367), (5560, 5618)]