1288830720

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{335633}}^1$

素因数の和:335657

約数の個数: 72

約数和(自身を含む): 4116215376

約数和(自身を除く): 2827384656

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 64, 80, 96, 120, 128, 160, 192, 240, 256, 320, 384, 480, 640, 768, 960, 1280, 1920, 3840, 335633, 671266, 1006899, 1342532, 1678165, 2013798, 2685064, 3356330, 4027596, 5034495, 5370128, 6712660, 8055192, 10068990, 10740256, 13425320, 16110384, 20137980, 21480512, 26850640, 32220768, 40275960, 42961024, 53701280, 64441536, 80551920, 85922048, 107402560, 128883072, 161103840, 214805120, 257766144, 322207680, 429610240, 644415360, 1288830720]

約数ペア:

[(1, 1288830720), (2, 644415360), (3, 429610240), (4, 322207680), (5, 257766144), (6, 214805120), (8, 161103840), (10, 128883072), (12, 107402560), (15, 85922048), (16, 80551920), (20, 64441536), (24, 53701280), (30, 42961024), (32, 40275960), (40, 32220768), (48, 26850640), (60, 21480512), (64, 20137980), (80, 16110384), (96, 13425320), (120, 10740256), (128, 10068990), (160, 8055192), (192, 6712660), (240, 5370128), (256, 5034495), (320, 4027596), (384, 3356330), (480, 2685064), (640, 2013798), (768, 1678165), (960, 1342532), (1280, 1006899), (1920, 671266), (3840, 335633)]