79012760

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{197}}^1\times {\mathrm{271}}^1$

素因数の和:516

約数の個数: 64

約数和(自身を含む): 184187520

約数和(自身を除く): 105174760

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 197, 271, 296, 370, 394, 542, 740, 788, 985, 1084, 1355, 1480, 1576, 1970, 2168, 2710, 3940, 5420, 7289, 7880, 10027, 10840, 14578, 20054, 29156, 36445, 40108, 50135, 53387, 58312, 72890, 80216, 100270, 106774, 145780, 200540, 213548, 266935, 291560, 401080, 427096, 533870, 1067740, 1975319, 2135480, 3950638, 7901276, 9876595, 15802552, 19753190, 39506380, 79012760]

約数ペア:

[(1, 79012760), (2, 39506380), (4, 19753190), (5, 15802552), (8, 9876595), (10, 7901276), (20, 3950638), (37, 2135480), (40, 1975319), (74, 1067740), (148, 533870), (185, 427096), (197, 401080), (271, 291560), (296, 266935), (370, 213548), (394, 200540), (542, 145780), (740, 106774), (788, 100270), (985, 80216), (1084, 72890), (1355, 58312), (1480, 53387), (1576, 50135), (1970, 40108), (2168, 36445), (2710, 29156), (3940, 20054), (5420, 14578), (7289, 10840), (7880, 10027)]