1351780720

素因数分解:

$2^4\times 5^1\times {\mathrm{2137}}^1\times {\mathrm{7907}}^1$

素因数の和:10057

約数の個数: 40

約数和(自身を含む): 3144758544

約数和(自身を除く): 1792977824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2137, 4274, 7907, 8548, 10685, 15814, 17096, 21370, 31628, 34192, 39535, 42740, 63256, 79070, 85480, 126512, 158140, 170960, 316280, 632560, 16897259, 33794518, 67589036, 84486295, 135178072, 168972590, 270356144, 337945180, 675890360, 1351780720]

約数ペア:

[(1, 1351780720), (2, 675890360), (4, 337945180), (5, 270356144), (8, 168972590), (10, 135178072), (16, 84486295), (20, 67589036), (40, 33794518), (80, 16897259), (2137, 632560), (4274, 316280), (7907, 170960), (8548, 158140), (10685, 126512), (15814, 85480), (17096, 79070), (21370, 63256), (31628, 42740), (34192, 39535)]