80567040

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{20981}}^1$

素因数の和:21005

約数の個数: 72

約数和(自身を含む): 257323248

約数和(自身を除く): 176756208

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, 20981, 41962, 62943, 83924, 104905, 125886, 167848, 209810, 251772, 314715, 335696, 419620, 503544, 629430, 671392, 839240, 1007088, 1258860, 1342784, 1678480, 2014176, 2517720, 2685568, 3356960, 4028352, 5035440, 5371136, 6713920, 8056704, 10070880, 13427840, 16113408, 20141760, 26855680, 40283520, 80567040]

約数ペア:

[(1, 80567040), (2, 40283520), (3, 26855680), (4, 20141760), (5, 16113408), (6, 13427840), (8, 10070880), (10, 8056704), (12, 6713920), (15, 5371136), (16, 5035440), (20, 4028352), (24, 3356960), (30, 2685568), (32, 2517720), (40, 2014176), (48, 1678480), (60, 1342784), (64, 1258860), (80, 1007088), (96, 839240), (120, 671392), (128, 629430), (160, 503544), (192, 419620), (240, 335696), (256, 314715), (320, 251772), (384, 209810), (480, 167848), (640, 125886), (768, 104905), (960, 83924), (1280, 62943), (1920, 41962), (3840, 20981)]