645004560

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{107}}^1\times {\mathrm{25117}}^1$

素因数の和:25240

約数の個数: 80

約数和(自身を含む): 2018281536

約数和(自身を除く): 1373276976

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, 3210, 4280, 5136, 6420, 8560, 12840, 25117, 25680, 50234, 75351, 100468, 125585, 150702, 200936, 251170, 301404, 376755, 401872, 502340, 602808, 753510, 1004680, 1205616, 1507020, 2009360, 2687519, 3014040, 5375038, 6028080, 8062557, 10750076, 13437595, 16125114, 21500152, 26875190, 32250228, 40312785, 43000304, 53750380, 64500456, 80625570, 107500760, 129000912, 161251140, 215001520, 322502280, 645004560]

約数ペア:

[(1, 645004560), (2, 322502280), (3, 215001520), (4, 161251140), (5, 129000912), (6, 107500760), (8, 80625570), (10, 64500456), (12, 53750380), (15, 43000304), (16, 40312785), (20, 32250228), (24, 26875190), (30, 21500152), (40, 16125114), (48, 13437595), (60, 10750076), (80, 8062557), (107, 6028080), (120, 5375038), (214, 3014040), (240, 2687519), (321, 2009360), (428, 1507020), (535, 1205616), (642, 1004680), (856, 753510), (1070, 602808), (1284, 502340), (1605, 401872), (1712, 376755), (2140, 301404), (2568, 251170), (3210, 200936), (4280, 150702), (5136, 125585), (6420, 100468), (8560, 75351), (12840, 50234), (25117, 25680)]