15618040

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^2\times {\mathrm{139}}^1$

素因数の和:256

約数の個数: 48

約数和(自身を含む): 36073800

約数和(自身を除く): 20455760

約数列:

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

約数ペア:

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