2440240

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{59}}^1$

素因数の和:130

約数の個数: 80

約数和(自身を含む): 6428160

約数和(自身を除く): 3987920

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 47, 55, 59, 80, 88, 94, 110, 118, 176, 188, 220, 235, 236, 295, 376, 440, 470, 472, 517, 590, 649, 752, 880, 940, 944, 1034, 1180, 1298, 1880, 2068, 2360, 2585, 2596, 2773, 3245, 3760, 4136, 4720, 5170, 5192, 5546, 6490, 8272, 10340, 10384, 11092, 12980, 13865, 20680, 22184, 25960, 27730, 30503, 41360, 44368, 51920, 55460, 61006, 110920, 122012, 152515, 221840, 244024, 305030, 488048, 610060, 1220120, 2440240]

約数ペア:

[(1, 2440240), (2, 1220120), (4, 610060), (5, 488048), (8, 305030), (10, 244024), (11, 221840), (16, 152515), (20, 122012), (22, 110920), (40, 61006), (44, 55460), (47, 51920), (55, 44368), (59, 41360), (80, 30503), (88, 27730), (94, 25960), (110, 22184), (118, 20680), (176, 13865), (188, 12980), (220, 11092), (235, 10384), (236, 10340), (295, 8272), (376, 6490), (440, 5546), (470, 5192), (472, 5170), (517, 4720), (590, 4136), (649, 3760), (752, 3245), (880, 2773), (940, 2596), (944, 2585), (1034, 2360), (1180, 2068), (1298, 1880)]