21772080

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2749}}^1$

素因数の和:2779

約数の個数: 120

約数和(自身を含む): 79794000

約数和(自身を除く): 58021920

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 11, 12, 15, 16, 18, 20, 22, 24, 30, 33, 36, 40, 44, 45, 48, 55, 60, 66, 72, 80, 88, 90, 99, 110, 120, 132, 144, 165, 176, 180, 198, 220, 240, 264, 330, 360, 396, 440, 495, 528, 660, 720, 792, 880, 990, 1320, 1584, 1980, 2640, 2749, 3960, 5498, 7920, 8247, 10996, 13745, 16494, 21992, 24741, 27490, 30239, 32988, 41235, 43984, 49482, 54980, 60478, 65976, 82470, 90717, 98964, 109960, 120956, 123705, 131952, 151195, 164940, 181434, 197928, 219920, 241912, 247410, 272151, 302390, 329880, 362868, 395856, 453585, 483824, 494820, 544302, 604780, 659760, 725736, 907170, 989640, 1088604, 1209560, 1360755, 1451472, 1814340, 1979280, 2177208, 2419120, 2721510, 3628680, 4354416, 5443020, 7257360, 10886040, 21772080]

約数ペア:

[(1, 21772080), (2, 10886040), (3, 7257360), (4, 5443020), (5, 4354416), (6, 3628680), (8, 2721510), (9, 2419120), (10, 2177208), (11, 1979280), (12, 1814340), (15, 1451472), (16, 1360755), (18, 1209560), (20, 1088604), (22, 989640), (24, 907170), (30, 725736), (33, 659760), (36, 604780), (40, 544302), (44, 494820), (45, 483824), (48, 453585), (55, 395856), (60, 362868), (66, 329880), (72, 302390), (80, 272151), (88, 247410), (90, 241912), (99, 219920), (110, 197928), (120, 181434), (132, 164940), (144, 151195), (165, 131952), (176, 123705), (180, 120956), (198, 109960), (220, 98964), (240, 90717), (264, 82470), (330, 65976), (360, 60478), (396, 54980), (440, 49482), (495, 43984), (528, 41235), (660, 32988), (720, 30239), (792, 27490), (880, 24741), (990, 21992), (1320, 16494), (1584, 13745), (1980, 10996), (2640, 8247), (2749, 7920), (3960, 5498)]