245395760

素因数分解:

$2^4\times 5^1\times {\mathrm{383}}^1\times {\mathrm{8009}}^1$

素因数の和:8405

約数の個数: 40

約数和(自身を含む): 572106240

約数和(自身を除く): 326710480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 383, 766, 1532, 1915, 3064, 3830, 6128, 7660, 8009, 15320, 16018, 30640, 32036, 40045, 64072, 80090, 128144, 160180, 320360, 640720, 3067447, 6134894, 12269788, 15337235, 24539576, 30674470, 49079152, 61348940, 122697880, 245395760]

約数ペア:

[(1, 245395760), (2, 122697880), (4, 61348940), (5, 49079152), (8, 30674470), (10, 24539576), (16, 15337235), (20, 12269788), (40, 6134894), (80, 3067447), (383, 640720), (766, 320360), (1532, 160180), (1915, 128144), (3064, 80090), (3830, 64072), (6128, 40045), (7660, 32036), (8009, 30640), (15320, 16018)]