215385280

素因数分解:

$2^6\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{1423}}^1$

素因数の和:1494

約数の個数: 112

約数和(自身を含む): 572926464

約数和(自身を除く): 357541184

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 43, 44, 55, 64, 80, 86, 88, 110, 160, 172, 176, 215, 220, 320, 344, 352, 430, 440, 473, 688, 704, 860, 880, 946, 1376, 1423, 1720, 1760, 1892, 2365, 2752, 2846, 3440, 3520, 3784, 4730, 5692, 6880, 7115, 7568, 9460, 11384, 13760, 14230, 15136, 15653, 18920, 22768, 28460, 30272, 31306, 37840, 45536, 56920, 61189, 62612, 75680, 78265, 91072, 113840, 122378, 125224, 151360, 156530, 227680, 244756, 250448, 305945, 313060, 455360, 489512, 500896, 611890, 626120, 673079, 979024, 1001792, 1223780, 1252240, 1346158, 1958048, 2447560, 2504480, 2692316, 3365395, 3916096, 4895120, 5008960, 5384632, 6730790, 9790240, 10769264, 13461580, 19580480, 21538528, 26923160, 43077056, 53846320, 107692640, 215385280]

約数ペア:

[(1, 215385280), (2, 107692640), (4, 53846320), (5, 43077056), (8, 26923160), (10, 21538528), (11, 19580480), (16, 13461580), (20, 10769264), (22, 9790240), (32, 6730790), (40, 5384632), (43, 5008960), (44, 4895120), (55, 3916096), (64, 3365395), (80, 2692316), (86, 2504480), (88, 2447560), (110, 1958048), (160, 1346158), (172, 1252240), (176, 1223780), (215, 1001792), (220, 979024), (320, 673079), (344, 626120), (352, 611890), (430, 500896), (440, 489512), (473, 455360), (688, 313060), (704, 305945), (860, 250448), (880, 244756), (946, 227680), (1376, 156530), (1423, 151360), (1720, 125224), (1760, 122378), (1892, 113840), (2365, 91072), (2752, 78265), (2846, 75680), (3440, 62612), (3520, 61189), (3784, 56920), (4730, 45536), (5692, 37840), (6880, 31306), (7115, 30272), (7568, 28460), (9460, 22768), (11384, 18920), (13760, 15653), (14230, 15136)]