80816670

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{27211}}^1$

素因数の和:27238

約数の個数: 64

約数和(自身を含む): 235111680

約数和(自身を除く): 154295010

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 27, 30, 33, 45, 54, 55, 66, 90, 99, 110, 135, 165, 198, 270, 297, 330, 495, 594, 990, 1485, 2970, 27211, 54422, 81633, 136055, 163266, 244899, 272110, 299321, 408165, 489798, 598642, 734697, 816330, 897963, 1224495, 1469394, 1496605, 1795926, 2448990, 2693889, 2993210, 3673485, 4489815, 5387778, 7346970, 8081667, 8979630, 13469445, 16163334, 26938890, 40408335, 80816670]

約数ペア:

[(1, 80816670), (2, 40408335), (3, 26938890), (5, 16163334), (6, 13469445), (9, 8979630), (10, 8081667), (11, 7346970), (15, 5387778), (18, 4489815), (22, 3673485), (27, 2993210), (30, 2693889), (33, 2448990), (45, 1795926), (54, 1496605), (55, 1469394), (66, 1224495), (90, 897963), (99, 816330), (110, 734697), (135, 598642), (165, 489798), (198, 408165), (270, 299321), (297, 272110), (330, 244899), (495, 163266), (594, 136055), (990, 81633), (1485, 54422), (2970, 27211)]