248558040

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{690439}}^1$

素因数の和:690456

約数の個数: 48

約数和(自身を含む): 807814800

約数和(自身を除く): 559256760

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 690439, 1380878, 2071317, 2761756, 3452195, 4142634, 5523512, 6213951, 6904390, 8285268, 10356585, 12427902, 13808780, 16570536, 20713170, 24855804, 27617560, 31069755, 41426340, 49711608, 62139510, 82852680, 124279020, 248558040]

約数ペア:

[(1, 248558040), (2, 124279020), (3, 82852680), (4, 62139510), (5, 49711608), (6, 41426340), (8, 31069755), (9, 27617560), (10, 24855804), (12, 20713170), (15, 16570536), (18, 13808780), (20, 12427902), (24, 10356585), (30, 8285268), (36, 6904390), (40, 6213951), (45, 5523512), (60, 4142634), (72, 3452195), (90, 2761756), (120, 2071317), (180, 1380878), (360, 690439)]