280211040

素因数分解:

$2^5\times 3^2\times 5^1\times {\mathrm{194591}}^1$

素因数の和:194612

約数の個数: 72

約数和(自身を含む): 956225088

約数和(自身を除く): 676014048

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 30, 32, 36, 40, 45, 48, 60, 72, 80, 90, 96, 120, 144, 160, 180, 240, 288, 360, 480, 720, 1440, 194591, 389182, 583773, 778364, 972955, 1167546, 1556728, 1751319, 1945910, 2335092, 2918865, 3113456, 3502638, 3891820, 4670184, 5837730, 6226912, 7005276, 7783640, 8756595, 9340368, 11675460, 14010552, 15567280, 17513190, 18680736, 23350920, 28021104, 31134560, 35026380, 46701840, 56042208, 70052760, 93403680, 140105520, 280211040]

約数ペア:

[(1, 280211040), (2, 140105520), (3, 93403680), (4, 70052760), (5, 56042208), (6, 46701840), (8, 35026380), (9, 31134560), (10, 28021104), (12, 23350920), (15, 18680736), (16, 17513190), (18, 15567280), (20, 14010552), (24, 11675460), (30, 9340368), (32, 8756595), (36, 7783640), (40, 7005276), (45, 6226912), (48, 5837730), (60, 4670184), (72, 3891820), (80, 3502638), (90, 3113456), (96, 2918865), (120, 2335092), (144, 1945910), (160, 1751319), (180, 1556728), (240, 1167546), (288, 972955), (360, 778364), (480, 583773), (720, 389182), (1440, 194591)]