30808640

素因数分解:

$2^6\times 5^1\times {\mathrm{43}}^1\times {\mathrm{2239}}^1$

素因数の和:2299

約数の個数: 56

約数和(自身を含む): 75102720

約数和(自身を除く): 44294080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 64, 80, 86, 160, 172, 215, 320, 344, 430, 688, 860, 1376, 1720, 2239, 2752, 3440, 4478, 6880, 8956, 11195, 13760, 17912, 22390, 35824, 44780, 71648, 89560, 96277, 143296, 179120, 192554, 358240, 385108, 481385, 716480, 770216, 962770, 1540432, 1925540, 3080864, 3851080, 6161728, 7702160, 15404320, 30808640]

約数ペア:

[(1, 30808640), (2, 15404320), (4, 7702160), (5, 6161728), (8, 3851080), (10, 3080864), (16, 1925540), (20, 1540432), (32, 962770), (40, 770216), (43, 716480), (64, 481385), (80, 385108), (86, 358240), (160, 192554), (172, 179120), (215, 143296), (320, 96277), (344, 89560), (430, 71648), (688, 44780), (860, 35824), (1376, 22390), (1720, 17912), (2239, 13760), (2752, 11195), (3440, 8956), (4478, 6880)]