85072920

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{16487}}^1$

素因数の和:16544

約数の個数: 64

約数和(自身を含む): 261169920

約数和(自身を除く): 176097000

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 20, 24, 30, 40, 43, 60, 86, 120, 129, 172, 215, 258, 344, 430, 516, 645, 860, 1032, 1290, 1720, 2580, 5160, 16487, 32974, 49461, 65948, 82435, 98922, 131896, 164870, 197844, 247305, 329740, 395688, 494610, 659480, 708941, 989220, 1417882, 1978440, 2126823, 2835764, 3544705, 4253646, 5671528, 7089410, 8507292, 10634115, 14178820, 17014584, 21268230, 28357640, 42536460, 85072920]

約数ペア:

[(1, 85072920), (2, 42536460), (3, 28357640), (4, 21268230), (5, 17014584), (6, 14178820), (8, 10634115), (10, 8507292), (12, 7089410), (15, 5671528), (20, 4253646), (24, 3544705), (30, 2835764), (40, 2126823), (43, 1978440), (60, 1417882), (86, 989220), (120, 708941), (129, 659480), (172, 494610), (215, 395688), (258, 329740), (344, 247305), (430, 197844), (516, 164870), (645, 131896), (860, 98922), (1032, 82435), (1290, 65948), (1720, 49461), (2580, 32974), (5160, 16487)]