81286800

素因数分解:

$2^4\times 3^1\times 5^2\times 7^1\times {\mathrm{9677}}^1$

素因数の和:9705

約数の個数: 120

約数和(自身を含む): 297617856

約数和(自身を除く): 216331056

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, 140, 150, 168, 175, 200, 210, 240, 280, 300, 336, 350, 400, 420, 525, 560, 600, 700, 840, 1050, 1200, 1400, 1680, 2100, 2800, 4200, 8400, 9677, 19354, 29031, 38708, 48385, 58062, 67739, 77416, 96770, 116124, 135478, 145155, 154832, 193540, 203217, 232248, 241925, 270956, 290310, 338695, 387080, 406434, 464496, 483850, 541912, 580620, 677390, 725775, 774160, 812868, 967700, 1016085, 1083824, 1161240, 1354780, 1451550, 1625736, 1693475, 1935400, 2032170, 2322480, 2709560, 2903100, 3251472, 3386950, 3870800, 4064340, 5080425, 5419120, 5806200, 6773900, 8128680, 10160850, 11612400, 13547800, 16257360, 20321700, 27095600, 40643400, 81286800]

約数ペア:

[(1, 81286800), (2, 40643400), (3, 27095600), (4, 20321700), (5, 16257360), (6, 13547800), (7, 11612400), (8, 10160850), (10, 8128680), (12, 6773900), (14, 5806200), (15, 5419120), (16, 5080425), (20, 4064340), (21, 3870800), (24, 3386950), (25, 3251472), (28, 2903100), (30, 2709560), (35, 2322480), (40, 2032170), (42, 1935400), (48, 1693475), (50, 1625736), (56, 1451550), (60, 1354780), (70, 1161240), (75, 1083824), (80, 1016085), (84, 967700), (100, 812868), (105, 774160), (112, 725775), (120, 677390), (140, 580620), (150, 541912), (168, 483850), (175, 464496), (200, 406434), (210, 387080), (240, 338695), (280, 290310), (300, 270956), (336, 241925), (350, 232248), (400, 203217), (420, 193540), (525, 154832), (560, 145155), (600, 135478), (700, 116124), (840, 96770), (1050, 77416), (1200, 67739), (1400, 58062), (1680, 48385), (2100, 38708), (2800, 29031), (4200, 19354), (8400, 9677)]