1220120

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:128

約数の個数: 64

約数和(自身を含む): 3110400

約数和(自身を除く): 1890280

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 55, 59, 88, 94, 110, 118, 188, 220, 235, 236, 295, 376, 440, 470, 472, 517, 590, 649, 940, 1034, 1180, 1298, 1880, 2068, 2360, 2585, 2596, 2773, 3245, 4136, 5170, 5192, 5546, 6490, 10340, 11092, 12980, 13865, 20680, 22184, 25960, 27730, 30503, 55460, 61006, 110920, 122012, 152515, 244024, 305030, 610060, 1220120]

約数ペア:

[(1, 1220120), (2, 610060), (4, 305030), (5, 244024), (8, 152515), (10, 122012), (11, 110920), (20, 61006), (22, 55460), (40, 30503), (44, 27730), (47, 25960), (55, 22184), (59, 20680), (88, 13865), (94, 12980), (110, 11092), (118, 10340), (188, 6490), (220, 5546), (235, 5192), (236, 5170), (295, 4136), (376, 3245), (440, 2773), (470, 2596), (472, 2585), (517, 2360), (590, 2068), (649, 1880), (940, 1298), (1034, 1180)]