80984960

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{18077}}^1$

素因数の和:18103

約数の個数: 64

約数和(自身を含む): 221274720

約数和(自身を除く): 140289760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 18077, 36154, 72308, 90385, 126539, 144616, 180770, 253078, 289232, 361540, 506156, 578464, 632695, 723080, 1012312, 1156928, 1265390, 1446160, 2024624, 2313856, 2530780, 2892320, 4049248, 5061560, 5784640, 8098496, 10123120, 11569280, 16196992, 20246240, 40492480, 80984960]

約数ペア:

[(1, 80984960), (2, 40492480), (4, 20246240), (5, 16196992), (7, 11569280), (8, 10123120), (10, 8098496), (14, 5784640), (16, 5061560), (20, 4049248), (28, 2892320), (32, 2530780), (35, 2313856), (40, 2024624), (56, 1446160), (64, 1265390), (70, 1156928), (80, 1012312), (112, 723080), (128, 632695), (140, 578464), (160, 506156), (224, 361540), (280, 289232), (320, 253078), (448, 180770), (560, 144616), (640, 126539), (896, 90385), (1120, 72308), (2240, 36154), (4480, 18077)]