138440960

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{15451}}^1$

素因数の和:15479

約数の個数: 72

約数和(自身を含む): 379006656

約数和(自身を除く): 240565696

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, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 15451, 30902, 61804, 77255, 108157, 123608, 154510, 216314, 247216, 309020, 432628, 494432, 540785, 618040, 865256, 988864, 1081570, 1236080, 1730512, 1977728, 2163140, 2472160, 3461024, 3955456, 4326280, 4944320, 6922048, 8652560, 9888640, 13844096, 17305120, 19777280, 27688192, 34610240, 69220480, 138440960]

約数ペア:

[(1, 138440960), (2, 69220480), (4, 34610240), (5, 27688192), (7, 19777280), (8, 17305120), (10, 13844096), (14, 9888640), (16, 8652560), (20, 6922048), (28, 4944320), (32, 4326280), (35, 3955456), (40, 3461024), (56, 2472160), (64, 2163140), (70, 1977728), (80, 1730512), (112, 1236080), (128, 1081570), (140, 988864), (160, 865256), (224, 618040), (256, 540785), (280, 494432), (320, 432628), (448, 309020), (560, 247216), (640, 216314), (896, 154510), (1120, 123608), (1280, 108157), (1792, 77255), (2240, 61804), (4480, 30902), (8960, 15451)]