821040

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{311}}^1$

素因数の和:338

約数の個数: 80

約数和(自身を含む): 2785536

約数和(自身を除く): 1964496

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 60, 66, 80, 88, 110, 120, 132, 165, 176, 220, 240, 264, 311, 330, 440, 528, 622, 660, 880, 933, 1244, 1320, 1555, 1866, 2488, 2640, 3110, 3421, 3732, 4665, 4976, 6220, 6842, 7464, 9330, 10263, 12440, 13684, 14928, 17105, 18660, 20526, 24880, 27368, 34210, 37320, 41052, 51315, 54736, 68420, 74640, 82104, 102630, 136840, 164208, 205260, 273680, 410520, 821040]

約数ペア:

[(1, 821040), (2, 410520), (3, 273680), (4, 205260), (5, 164208), (6, 136840), (8, 102630), (10, 82104), (11, 74640), (12, 68420), (15, 54736), (16, 51315), (20, 41052), (22, 37320), (24, 34210), (30, 27368), (33, 24880), (40, 20526), (44, 18660), (48, 17105), (55, 14928), (60, 13684), (66, 12440), (80, 10263), (88, 9330), (110, 7464), (120, 6842), (132, 6220), (165, 4976), (176, 4665), (220, 3732), (240, 3421), (264, 3110), (311, 2640), (330, 2488), (440, 1866), (528, 1555), (622, 1320), (660, 1244), (880, 933)]