81479200

素因数分解:

$2^5\times 5^2\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{197}}^1$

素因数の和:275

約数の個数: 144

約数和(自身を含む): 222735744

約数和(自身を除く): 141256544

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 25, 32, 40, 44, 47, 50, 55, 80, 88, 94, 100, 110, 160, 176, 188, 197, 200, 220, 235, 275, 352, 376, 394, 400, 440, 470, 517, 550, 752, 788, 800, 880, 940, 985, 1034, 1100, 1175, 1504, 1576, 1760, 1880, 1970, 2068, 2167, 2200, 2350, 2585, 3152, 3760, 3940, 4136, 4334, 4400, 4700, 4925, 5170, 6304, 7520, 7880, 8272, 8668, 8800, 9259, 9400, 9850, 10340, 10835, 12925, 15760, 16544, 17336, 18518, 18800, 19700, 20680, 21670, 25850, 31520, 34672, 37036, 37600, 39400, 41360, 43340, 46295, 51700, 54175, 69344, 74072, 78800, 82720, 86680, 92590, 101849, 103400, 108350, 148144, 157600, 173360, 185180, 203698, 206800, 216700, 231475, 296288, 346720, 370360, 407396, 413600, 433400, 462950, 509245, 740720, 814792, 866800, 925900, 1018490, 1481440, 1629584, 1733600, 1851800, 2036980, 2546225, 3259168, 3703600, 4073960, 5092450, 7407200, 8147920, 10184900, 16295840, 20369800, 40739600, 81479200]

約数ペア:

[(1, 81479200), (2, 40739600), (4, 20369800), (5, 16295840), (8, 10184900), (10, 8147920), (11, 7407200), (16, 5092450), (20, 4073960), (22, 3703600), (25, 3259168), (32, 2546225), (40, 2036980), (44, 1851800), (47, 1733600), (50, 1629584), (55, 1481440), (80, 1018490), (88, 925900), (94, 866800), (100, 814792), (110, 740720), (160, 509245), (176, 462950), (188, 433400), (197, 413600), (200, 407396), (220, 370360), (235, 346720), (275, 296288), (352, 231475), (376, 216700), (394, 206800), (400, 203698), (440, 185180), (470, 173360), (517, 157600), (550, 148144), (752, 108350), (788, 103400), (800, 101849), (880, 92590), (940, 86680), (985, 82720), (1034, 78800), (1100, 74072), (1175, 69344), (1504, 54175), (1576, 51700), (1760, 46295), (1880, 43340), (1970, 41360), (2068, 39400), (2167, 37600), (2200, 37036), (2350, 34672), (2585, 31520), (3152, 25850), (3760, 21670), (3940, 20680), (4136, 19700), (4334, 18800), (4400, 18518), (4700, 17336), (4925, 16544), (5170, 15760), (6304, 12925), (7520, 10835), (7880, 10340), (8272, 9850), (8668, 9400), (8800, 9259)]