247421440

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{13807}}^1$

素因数の和:13837

約数の個数: 80

約数和(自身を含む): 678028032

約数和(自身を除く): 430606592

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 256, 280, 320, 448, 512, 560, 640, 896, 1120, 1280, 1792, 2240, 2560, 3584, 4480, 8960, 13807, 17920, 27614, 55228, 69035, 96649, 110456, 138070, 193298, 220912, 276140, 386596, 441824, 483245, 552280, 773192, 883648, 966490, 1104560, 1546384, 1767296, 1932980, 2209120, 3092768, 3534592, 3865960, 4418240, 6185536, 7069184, 7731920, 8836480, 12371072, 15463840, 17672960, 24742144, 30927680, 35345920, 49484288, 61855360, 123710720, 247421440]

約数ペア:

[(1, 247421440), (2, 123710720), (4, 61855360), (5, 49484288), (7, 35345920), (8, 30927680), (10, 24742144), (14, 17672960), (16, 15463840), (20, 12371072), (28, 8836480), (32, 7731920), (35, 7069184), (40, 6185536), (56, 4418240), (64, 3865960), (70, 3534592), (80, 3092768), (112, 2209120), (128, 1932980), (140, 1767296), (160, 1546384), (224, 1104560), (256, 966490), (280, 883648), (320, 773192), (448, 552280), (512, 483245), (560, 441824), (640, 386596), (896, 276140), (1120, 220912), (1280, 193298), (1792, 138070), (2240, 110456), (2560, 96649), (3584, 69035), (4480, 55228), (8960, 27614), (13807, 17920)]