1228244080

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{443}}^1\times {\mathrm{4951}}^1$

素因数の和:5414

約数の個数: 80

約数和(自身を含む): 3271647744

約数和(自身を除く): 2043403664

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 443, 560, 886, 1772, 2215, 3101, 3544, 4430, 4951, 6202, 7088, 8860, 9902, 12404, 15505, 17720, 19804, 24755, 24808, 31010, 34657, 35440, 39608, 49510, 49616, 62020, 69314, 79216, 99020, 124040, 138628, 173285, 198040, 248080, 277256, 346570, 396080, 554512, 693140, 1386280, 2193293, 2772560, 4386586, 8773172, 10966465, 15353051, 17546344, 21932930, 30706102, 35092688, 43865860, 61412204, 76765255, 87731720, 122824408, 153530510, 175463440, 245648816, 307061020, 614122040, 1228244080]

約数ペア:

[(1, 1228244080), (2, 614122040), (4, 307061020), (5, 245648816), (7, 175463440), (8, 153530510), (10, 122824408), (14, 87731720), (16, 76765255), (20, 61412204), (28, 43865860), (35, 35092688), (40, 30706102), (56, 21932930), (70, 17546344), (80, 15353051), (112, 10966465), (140, 8773172), (280, 4386586), (443, 2772560), (560, 2193293), (886, 1386280), (1772, 693140), (2215, 554512), (3101, 396080), (3544, 346570), (4430, 277256), (4951, 248080), (6202, 198040), (7088, 173285), (8860, 138628), (9902, 124040), (12404, 99020), (15505, 79216), (17720, 69314), (19804, 62020), (24755, 49616), (24808, 49510), (31010, 39608), (34657, 35440)]