248081120

素因数分解:

$2^5\times 5^1\times 7^2\times {\mathrm{31643}}^1$

素因数の和:31672

約数の個数: 72

約数和(自身を含む): 681801624

約数和(自身を除く): 433720504

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 49, 56, 70, 80, 98, 112, 140, 160, 196, 224, 245, 280, 392, 490, 560, 784, 980, 1120, 1568, 1960, 3920, 7840, 31643, 63286, 126572, 158215, 221501, 253144, 316430, 443002, 506288, 632860, 886004, 1012576, 1107505, 1265720, 1550507, 1772008, 2215010, 2531440, 3101014, 3544016, 4430020, 5062880, 6202028, 7088032, 7752535, 8860040, 12404056, 15505070, 17720080, 24808112, 31010140, 35440160, 49616224, 62020280, 124040560, 248081120]

約数ペア:

[(1, 248081120), (2, 124040560), (4, 62020280), (5, 49616224), (7, 35440160), (8, 31010140), (10, 24808112), (14, 17720080), (16, 15505070), (20, 12404056), (28, 8860040), (32, 7752535), (35, 7088032), (40, 6202028), (49, 5062880), (56, 4430020), (70, 3544016), (80, 3101014), (98, 2531440), (112, 2215010), (140, 1772008), (160, 1550507), (196, 1265720), (224, 1107505), (245, 1012576), (280, 886004), (392, 632860), (490, 506288), (560, 443002), (784, 316430), (980, 253144), (1120, 221501), (1568, 158215), (1960, 126572), (3920, 63286), (7840, 31643)]