1000800

素因数分解:

$2^5\times 3^2\times 5^2\times {\mathrm{139}}^1$

素因数の和:165

約数の個数: 108

約数和(自身を含む): 3554460

約数和(自身を除く): 2553660

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 25, 30, 32, 36, 40, 45, 48, 50, 60, 72, 75, 80, 90, 96, 100, 120, 139, 144, 150, 160, 180, 200, 225, 240, 278, 288, 300, 360, 400, 417, 450, 480, 556, 600, 695, 720, 800, 834, 900, 1112, 1200, 1251, 1390, 1440, 1668, 1800, 2085, 2224, 2400, 2502, 2780, 3336, 3475, 3600, 4170, 4448, 5004, 5560, 6255, 6672, 6950, 7200, 8340, 10008, 10425, 11120, 12510, 13344, 13900, 16680, 20016, 20850, 22240, 25020, 27800, 31275, 33360, 40032, 41700, 50040, 55600, 62550, 66720, 83400, 100080, 111200, 125100, 166800, 200160, 250200, 333600, 500400, 1000800]

約数ペア:

[(1, 1000800), (2, 500400), (3, 333600), (4, 250200), (5, 200160), (6, 166800), (8, 125100), (9, 111200), (10, 100080), (12, 83400), (15, 66720), (16, 62550), (18, 55600), (20, 50040), (24, 41700), (25, 40032), (30, 33360), (32, 31275), (36, 27800), (40, 25020), (45, 22240), (48, 20850), (50, 20016), (60, 16680), (72, 13900), (75, 13344), (80, 12510), (90, 11120), (96, 10425), (100, 10008), (120, 8340), (139, 7200), (144, 6950), (150, 6672), (160, 6255), (180, 5560), (200, 5004), (225, 4448), (240, 4170), (278, 3600), (288, 3475), (300, 3336), (360, 2780), (400, 2502), (417, 2400), (450, 2224), (480, 2085), (556, 1800), (600, 1668), (695, 1440), (720, 1390), (800, 1251), (834, 1200), (900, 1112)]