265506680

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^2\times {\mathrm{139}}^1$

素因数の和:273

約数の個数: 96

約数和(自身を含む): 649328400

約数和(自身を除く): 383821720

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 53, 68, 85, 106, 136, 139, 170, 212, 265, 278, 340, 424, 530, 556, 680, 695, 901, 1060, 1112, 1390, 1802, 2120, 2363, 2780, 2809, 3604, 4505, 4726, 5560, 5618, 7208, 7367, 9010, 9452, 11236, 11815, 14045, 14734, 18020, 18904, 22472, 23630, 28090, 29468, 36040, 36835, 47260, 47753, 56180, 58936, 73670, 94520, 95506, 112360, 125239, 147340, 191012, 238765, 250478, 294680, 382024, 390451, 477530, 500956, 626195, 780902, 955060, 1001912, 1252390, 1561804, 1910120, 1952255, 2504780, 3123608, 3904510, 5009560, 6637667, 7809020, 13275334, 15618040, 26550668, 33188335, 53101336, 66376670, 132753340, 265506680]

約数ペア:

[(1, 265506680), (2, 132753340), (4, 66376670), (5, 53101336), (8, 33188335), (10, 26550668), (17, 15618040), (20, 13275334), (34, 7809020), (40, 6637667), (53, 5009560), (68, 3904510), (85, 3123608), (106, 2504780), (136, 1952255), (139, 1910120), (170, 1561804), (212, 1252390), (265, 1001912), (278, 955060), (340, 780902), (424, 626195), (530, 500956), (556, 477530), (680, 390451), (695, 382024), (901, 294680), (1060, 250478), (1112, 238765), (1390, 191012), (1802, 147340), (2120, 125239), (2363, 112360), (2780, 95506), (2809, 94520), (3604, 73670), (4505, 58936), (4726, 56180), (5560, 47753), (5618, 47260), (7208, 36835), (7367, 36040), (9010, 29468), (9452, 28090), (11236, 23630), (11815, 22472), (14045, 18904), (14734, 18020)]