1215702760

素因数分解:

$2^3\times 5^1\times {\mathrm{197}}^1\times {\mathrm{154277}}^1$

素因数の和:154485

約数の個数: 32

約数和(自身を含む): 2749233960

約数和(自身を除く): 1533531200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 197, 394, 788, 985, 1576, 1970, 3940, 7880, 154277, 308554, 617108, 771385, 1234216, 1542770, 3085540, 6171080, 30392569, 60785138, 121570276, 151962845, 243140552, 303925690, 607851380, 1215702760]

約数ペア:

[(1, 1215702760), (2, 607851380), (4, 303925690), (5, 243140552), (8, 151962845), (10, 121570276), (20, 60785138), (40, 30392569), (197, 6171080), (394, 3085540), (788, 1542770), (985, 1234216), (1576, 771385), (1970, 617108), (3940, 308554), (7880, 154277)]