1555361480

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{509}}^1\times {\mathrm{967}}^1$

素因数の和:1566

約数の個数: 64

約数和(自身を含む): 3554496000

約数和(自身を除く): 1999134520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 509, 632, 790, 967, 1018, 1580, 1934, 2036, 2545, 3160, 3868, 4072, 4835, 5090, 7736, 9670, 10180, 19340, 20360, 38680, 40211, 76393, 80422, 152786, 160844, 201055, 305572, 321688, 381965, 402110, 492203, 611144, 763930, 804220, 984406, 1527860, 1608440, 1968812, 2461015, 3055720, 3937624, 4922030, 9844060, 19688120, 38884037, 77768074, 155536148, 194420185, 311072296, 388840370, 777680740, 1555361480]

約数ペア:

[(1, 1555361480), (2, 777680740), (4, 388840370), (5, 311072296), (8, 194420185), (10, 155536148), (20, 77768074), (40, 38884037), (79, 19688120), (158, 9844060), (316, 4922030), (395, 3937624), (509, 3055720), (632, 2461015), (790, 1968812), (967, 1608440), (1018, 1527860), (1580, 984406), (1934, 804220), (2036, 763930), (2545, 611144), (3160, 492203), (3868, 402110), (4072, 381965), (4835, 321688), (5090, 305572), (7736, 201055), (9670, 160844), (10180, 152786), (19340, 80422), (20360, 76393), (38680, 40211)]