1978680

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{1499}}^1$

素因数の和:1524

約数の個数: 64

約数和(自身を含む): 6480000

約数和(自身を除く): 4501320

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 20, 22, 24, 30, 33, 40, 44, 55, 60, 66, 88, 110, 120, 132, 165, 220, 264, 330, 440, 660, 1320, 1499, 2998, 4497, 5996, 7495, 8994, 11992, 14990, 16489, 17988, 22485, 29980, 32978, 35976, 44970, 49467, 59960, 65956, 82445, 89940, 98934, 131912, 164890, 179880, 197868, 247335, 329780, 395736, 494670, 659560, 989340, 1978680]

約数ペア:

[(1, 1978680), (2, 989340), (3, 659560), (4, 494670), (5, 395736), (6, 329780), (8, 247335), (10, 197868), (11, 179880), (12, 164890), (15, 131912), (20, 98934), (22, 89940), (24, 82445), (30, 65956), (33, 59960), (40, 49467), (44, 44970), (55, 35976), (60, 32978), (66, 29980), (88, 22485), (110, 17988), (120, 16489), (132, 14990), (165, 11992), (220, 8994), (264, 7495), (330, 5996), (440, 4497), (660, 2998), (1320, 1499)]