12884480

素因数分解:

$2^9\times 5^1\times 7^1\times {\mathrm{719}}^1$

素因数の和:749

約数の個数: 80

約数和(自身を含む): 35354880

約数和(自身を除く): 22470400

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, 719, 896, 1120, 1280, 1438, 1792, 2240, 2560, 2876, 3584, 3595, 4480, 5033, 5752, 7190, 8960, 10066, 11504, 14380, 17920, 20132, 23008, 25165, 28760, 40264, 46016, 50330, 57520, 80528, 92032, 100660, 115040, 161056, 184064, 201320, 230080, 322112, 368128, 402640, 460160, 644224, 805280, 920320, 1288448, 1610560, 1840640, 2576896, 3221120, 6442240, 12884480]

約数ペア:

[(1, 12884480), (2, 6442240), (4, 3221120), (5, 2576896), (7, 1840640), (8, 1610560), (10, 1288448), (14, 920320), (16, 805280), (20, 644224), (28, 460160), (32, 402640), (35, 368128), (40, 322112), (56, 230080), (64, 201320), (70, 184064), (80, 161056), (112, 115040), (128, 100660), (140, 92032), (160, 80528), (224, 57520), (256, 50330), (280, 46016), (320, 40264), (448, 28760), (512, 25165), (560, 23008), (640, 20132), (719, 17920), (896, 14380), (1120, 11504), (1280, 10066), (1438, 8960), (1792, 7190), (2240, 5752), (2560, 5033), (2876, 4480), (3584, 3595)]