1380309000

素因数分解:

$2^3\times 3^1\times 5^3\times 7^1\times {\mathrm{65729}}^1$

素因数の和:65760

約数の個数: 128

約数和(自身を含む): 4921862400

約数和(自身を除く): 3541553400

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 20, 21, 24, 25, 28, 30, 35, 40, 42, 50, 56, 60, 70, 75, 84, 100, 105, 120, 125, 140, 150, 168, 175, 200, 210, 250, 280, 300, 350, 375, 420, 500, 525, 600, 700, 750, 840, 875, 1000, 1050, 1400, 1500, 1750, 2100, 2625, 3000, 3500, 4200, 5250, 7000, 10500, 21000, 65729, 131458, 197187, 262916, 328645, 394374, 460103, 525832, 657290, 788748, 920206, 985935, 1314580, 1380309, 1577496, 1643225, 1840412, 1971870, 2300515, 2629160, 2760618, 3286450, 3680824, 3943740, 4601030, 4929675, 5521236, 6572900, 6901545, 7887480, 8216125, 9202060, 9859350, 11042472, 11502575, 13145800, 13803090, 16432250, 18404120, 19718700, 23005150, 24648375, 27606180, 32864500, 34507725, 39437400, 46010300, 49296750, 55212360, 57512875, 65729000, 69015450, 92020600, 98593500, 115025750, 138030900, 172538625, 197187000, 230051500, 276061800, 345077250, 460103000, 690154500, 1380309000]

約数ペア:

[(1, 1380309000), (2, 690154500), (3, 460103000), (4, 345077250), (5, 276061800), (6, 230051500), (7, 197187000), (8, 172538625), (10, 138030900), (12, 115025750), (14, 98593500), (15, 92020600), (20, 69015450), (21, 65729000), (24, 57512875), (25, 55212360), (28, 49296750), (30, 46010300), (35, 39437400), (40, 34507725), (42, 32864500), (50, 27606180), (56, 24648375), (60, 23005150), (70, 19718700), (75, 18404120), (84, 16432250), (100, 13803090), (105, 13145800), (120, 11502575), (125, 11042472), (140, 9859350), (150, 9202060), (168, 8216125), (175, 7887480), (200, 6901545), (210, 6572900), (250, 5521236), (280, 4929675), (300, 4601030), (350, 3943740), (375, 3680824), (420, 3286450), (500, 2760618), (525, 2629160), (600, 2300515), (700, 1971870), (750, 1840412), (840, 1643225), (875, 1577496), (1000, 1380309), (1050, 1314580), (1400, 985935), (1500, 920206), (1750, 788748), (2100, 657290), (2625, 525832), (3000, 460103), (3500, 394374), (4200, 328645), (5250, 262916), (7000, 197187), (10500, 131458), (21000, 65729)]