80672680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^2\times {\mathrm{83}}^1$

素因数の和:199

約数の個数: 96

約数和(自身を含む): 204755040

約数和(自身を除く): 124082360

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 83, 88, 94, 110, 166, 188, 220, 235, 332, 376, 415, 440, 470, 517, 664, 830, 913, 940, 1034, 1660, 1826, 1880, 2068, 2209, 2585, 3320, 3652, 3901, 4136, 4418, 4565, 5170, 7304, 7802, 8836, 9130, 10340, 11045, 15604, 17672, 18260, 19505, 20680, 22090, 24299, 31208, 36520, 39010, 42911, 44180, 48598, 78020, 85822, 88360, 97196, 121495, 156040, 171644, 183347, 194392, 214555, 242990, 343288, 366694, 429110, 485980, 733388, 858220, 916735, 971960, 1466776, 1716440, 1833470, 2016817, 3666940, 4033634, 7333880, 8067268, 10084085, 16134536, 20168170, 40336340, 80672680]

約数ペア:

[(1, 80672680), (2, 40336340), (4, 20168170), (5, 16134536), (8, 10084085), (10, 8067268), (11, 7333880), (20, 4033634), (22, 3666940), (40, 2016817), (44, 1833470), (47, 1716440), (55, 1466776), (83, 971960), (88, 916735), (94, 858220), (110, 733388), (166, 485980), (188, 429110), (220, 366694), (235, 343288), (332, 242990), (376, 214555), (415, 194392), (440, 183347), (470, 171644), (517, 156040), (664, 121495), (830, 97196), (913, 88360), (940, 85822), (1034, 78020), (1660, 48598), (1826, 44180), (1880, 42911), (2068, 39010), (2209, 36520), (2585, 31208), (3320, 24299), (3652, 22090), (3901, 20680), (4136, 19505), (4418, 18260), (4565, 17672), (5170, 15604), (7304, 11045), (7802, 10340), (8836, 9130)]