30721920

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{16001}}^1$

素因数の和:16023

約数の個数: 64

約数和(自身を含む): 97932240

約数和(自身を除く): 67210320

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, 16001, 32002, 48003, 64004, 80005, 96006, 128008, 160010, 192012, 240015, 256016, 320020, 384024, 480030, 512032, 640040, 768048, 960060, 1024064, 1280080, 1536096, 1920120, 2048128, 2560160, 3072192, 3840240, 5120320, 6144384, 7680480, 10240640, 15360960, 30721920]

約数ペア:

[(1, 30721920), (2, 15360960), (3, 10240640), (4, 7680480), (5, 6144384), (6, 5120320), (8, 3840240), (10, 3072192), (12, 2560160), (15, 2048128), (16, 1920120), (20, 1536096), (24, 1280080), (30, 1024064), (32, 960060), (40, 768048), (48, 640040), (60, 512032), (64, 480030), (80, 384024), (96, 320020), (120, 256016), (128, 240015), (160, 192012), (192, 160010), (240, 128008), (320, 96006), (384, 80005), (480, 64004), (640, 48003), (960, 32002), (1920, 16001)]