74720640

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{38917}}^1$

素因数の和:38939

約数の個数: 64

約数和(自身を含む): 238178160

約数和(自身を除く): 163457520

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, 320, 384, 480, 640, 960, 1920, 38917, 77834, 116751, 155668, 194585, 233502, 311336, 389170, 467004, 583755, 622672, 778340, 934008, 1167510, 1245344, 1556680, 1868016, 2335020, 2490688, 3113360, 3736032, 4670040, 4981376, 6226720, 7472064, 9340080, 12453440, 14944128, 18680160, 24906880, 37360320, 74720640]

約数ペア:

[(1, 74720640), (2, 37360320), (3, 24906880), (4, 18680160), (5, 14944128), (6, 12453440), (8, 9340080), (10, 7472064), (12, 6226720), (15, 4981376), (16, 4670040), (20, 3736032), (24, 3113360), (30, 2490688), (32, 2335020), (40, 1868016), (48, 1556680), (60, 1245344), (64, 1167510), (80, 934008), (96, 778340), (120, 622672), (128, 583755), (160, 467004), (192, 389170), (240, 311336), (320, 233502), (384, 194585), (480, 155668), (640, 116751), (960, 77834), (1920, 38917)]