64666360

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1$

素因数の和:181

約数の個数: 128

約数和(自身を含む): 167961600

約数和(自身を除く): 103295240

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 47, 53, 55, 59, 88, 94, 106, 110, 118, 188, 212, 220, 235, 236, 265, 295, 376, 424, 440, 470, 472, 517, 530, 583, 590, 649, 940, 1034, 1060, 1166, 1180, 1298, 1880, 2068, 2120, 2332, 2360, 2491, 2585, 2596, 2773, 2915, 3127, 3245, 4136, 4664, 4982, 5170, 5192, 5546, 5830, 6254, 6490, 9964, 10340, 11092, 11660, 12455, 12508, 12980, 13865, 15635, 19928, 20680, 22184, 23320, 24910, 25016, 25960, 27401, 27730, 30503, 31270, 34397, 49820, 54802, 55460, 61006, 62540, 68794, 99640, 109604, 110920, 122012, 125080, 137005, 137588, 146969, 152515, 171985, 219208, 244024, 274010, 275176, 293938, 305030, 343970, 548020, 587876, 610060, 687940, 734845, 1096040, 1175752, 1220120, 1375880, 1469690, 1616659, 2939380, 3233318, 5878760, 6466636, 8083295, 12933272, 16166590, 32333180, 64666360]

約数ペア:

[(1, 64666360), (2, 32333180), (4, 16166590), (5, 12933272), (8, 8083295), (10, 6466636), (11, 5878760), (20, 3233318), (22, 2939380), (40, 1616659), (44, 1469690), (47, 1375880), (53, 1220120), (55, 1175752), (59, 1096040), (88, 734845), (94, 687940), (106, 610060), (110, 587876), (118, 548020), (188, 343970), (212, 305030), (220, 293938), (235, 275176), (236, 274010), (265, 244024), (295, 219208), (376, 171985), (424, 152515), (440, 146969), (470, 137588), (472, 137005), (517, 125080), (530, 122012), (583, 110920), (590, 109604), (649, 99640), (940, 68794), (1034, 62540), (1060, 61006), (1166, 55460), (1180, 54802), (1298, 49820), (1880, 34397), (2068, 31270), (2120, 30503), (2332, 27730), (2360, 27401), (2491, 25960), (2585, 25016), (2596, 24910), (2773, 23320), (2915, 22184), (3127, 20680), (3245, 19928), (4136, 15635), (4664, 13865), (4982, 12980), (5170, 12508), (5192, 12455), (5546, 11660), (5830, 11092), (6254, 10340), (6490, 9964)]