81290520

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{75269}}^1$

素因数の和:75289

約数の個数: 64

約数和(自身を含む): 270972000

約数和(自身を除く): 189681480

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 216, 270, 360, 540, 1080, 75269, 150538, 225807, 301076, 376345, 451614, 602152, 677421, 752690, 903228, 1129035, 1354842, 1505380, 1806456, 2032263, 2258070, 2709684, 3010760, 3387105, 4064526, 4516140, 5419368, 6774210, 8129052, 9032280, 10161315, 13548420, 16258104, 20322630, 27096840, 40645260, 81290520]

約数ペア:

[(1, 81290520), (2, 40645260), (3, 27096840), (4, 20322630), (5, 16258104), (6, 13548420), (8, 10161315), (9, 9032280), (10, 8129052), (12, 6774210), (15, 5419368), (18, 4516140), (20, 4064526), (24, 3387105), (27, 3010760), (30, 2709684), (36, 2258070), (40, 2032263), (45, 1806456), (54, 1505380), (60, 1354842), (72, 1129035), (90, 903228), (108, 752690), (120, 677421), (135, 602152), (180, 451614), (216, 376345), (270, 301076), (360, 225807), (540, 150538), (1080, 75269)]