81328560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{3167}}^1$

素因数の和:3290

約数の個数: 80

約数和(自身を含む): 254555136

約数和(自身を除く): 173226576

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 107, 120, 214, 240, 321, 428, 535, 642, 856, 1070, 1284, 1605, 1712, 2140, 2568, 3167, 3210, 4280, 5136, 6334, 6420, 8560, 9501, 12668, 12840, 15835, 19002, 25336, 25680, 31670, 38004, 47505, 50672, 63340, 76008, 95010, 126680, 152016, 190020, 253360, 338869, 380040, 677738, 760080, 1016607, 1355476, 1694345, 2033214, 2710952, 3388690, 4066428, 5083035, 5421904, 6777380, 8132856, 10166070, 13554760, 16265712, 20332140, 27109520, 40664280, 81328560]

約数ペア:

[(1, 81328560), (2, 40664280), (3, 27109520), (4, 20332140), (5, 16265712), (6, 13554760), (8, 10166070), (10, 8132856), (12, 6777380), (15, 5421904), (16, 5083035), (20, 4066428), (24, 3388690), (30, 2710952), (40, 2033214), (48, 1694345), (60, 1355476), (80, 1016607), (107, 760080), (120, 677738), (214, 380040), (240, 338869), (321, 253360), (428, 190020), (535, 152016), (642, 126680), (856, 95010), (1070, 76008), (1284, 63340), (1605, 50672), (1712, 47505), (2140, 38004), (2568, 31670), (3167, 25680), (3210, 25336), (4280, 19002), (5136, 15835), (6334, 12840), (6420, 12668), (8560, 9501)]