78918000

素因数分解:

$2^4\times 3^1\times 5^3\times 7^1\times {\mathrm{1879}}^1$

素因数の和:1912

約数の個数: 160

約数和(自身を含む): 290933760

約数和(自身を除く): 212015760

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 25, 28, 30, 35, 40, 42, 48, 50, 56, 60, 70, 75, 80, 84, 100, 105, 112, 120, 125, 140, 150, 168, 175, 200, 210, 240, 250, 280, 300, 336, 350, 375, 400, 420, 500, 525, 560, 600, 700, 750, 840, 875, 1000, 1050, 1200, 1400, 1500, 1680, 1750, 1879, 2000, 2100, 2625, 2800, 3000, 3500, 3758, 4200, 5250, 5637, 6000, 7000, 7516, 8400, 9395, 10500, 11274, 13153, 14000, 15032, 18790, 21000, 22548, 26306, 28185, 30064, 37580, 39459, 42000, 45096, 46975, 52612, 56370, 65765, 75160, 78918, 90192, 93950, 105224, 112740, 131530, 140925, 150320, 157836, 187900, 197295, 210448, 225480, 234875, 263060, 281850, 315672, 328825, 375800, 394590, 450960, 469750, 526120, 563700, 631344, 657650, 704625, 751600, 789180, 939500, 986475, 1052240, 1127400, 1315300, 1409250, 1578360, 1644125, 1879000, 1972950, 2254800, 2630600, 2818500, 3156720, 3288250, 3758000, 3945900, 4932375, 5261200, 5637000, 6576500, 7891800, 9864750, 11274000, 13153000, 15783600, 19729500, 26306000, 39459000, 78918000]

約数ペア:

[(1, 78918000), (2, 39459000), (3, 26306000), (4, 19729500), (5, 15783600), (6, 13153000), (7, 11274000), (8, 9864750), (10, 7891800), (12, 6576500), (14, 5637000), (15, 5261200), (16, 4932375), (20, 3945900), (21, 3758000), (24, 3288250), (25, 3156720), (28, 2818500), (30, 2630600), (35, 2254800), (40, 1972950), (42, 1879000), (48, 1644125), (50, 1578360), (56, 1409250), (60, 1315300), (70, 1127400), (75, 1052240), (80, 986475), (84, 939500), (100, 789180), (105, 751600), (112, 704625), (120, 657650), (125, 631344), (140, 563700), (150, 526120), (168, 469750), (175, 450960), (200, 394590), (210, 375800), (240, 328825), (250, 315672), (280, 281850), (300, 263060), (336, 234875), (350, 225480), (375, 210448), (400, 197295), (420, 187900), (500, 157836), (525, 150320), (560, 140925), (600, 131530), (700, 112740), (750, 105224), (840, 93950), (875, 90192), (1000, 78918), (1050, 75160), (1200, 65765), (1400, 56370), (1500, 52612), (1680, 46975), (1750, 45096), (1879, 42000), (2000, 39459), (2100, 37580), (2625, 30064), (2800, 28185), (3000, 26306), (3500, 22548), (3758, 21000), (4200, 18790), (5250, 15032), (5637, 14000), (6000, 13153), (7000, 11274), (7516, 10500), (8400, 9395)]