161969920

素因数分解:

$2^8\times 5^1\times 7^1\times {\mathrm{18077}}^1$

素因数の和:18105

約数の個数: 72

約数和(自身を含む): 443417184

約数和(自身を除く): 281447264

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, 256, 280, 320, 448, 560, 640, 896, 1120, 1280, 1792, 2240, 4480, 8960, 18077, 36154, 72308, 90385, 126539, 144616, 180770, 253078, 289232, 361540, 506156, 578464, 632695, 723080, 1012312, 1156928, 1265390, 1446160, 2024624, 2313856, 2530780, 2892320, 4049248, 4627712, 5061560, 5784640, 8098496, 10123120, 11569280, 16196992, 20246240, 23138560, 32393984, 40492480, 80984960, 161969920]

約数ペア:

[(1, 161969920), (2, 80984960), (4, 40492480), (5, 32393984), (7, 23138560), (8, 20246240), (10, 16196992), (14, 11569280), (16, 10123120), (20, 8098496), (28, 5784640), (32, 5061560), (35, 4627712), (40, 4049248), (56, 2892320), (64, 2530780), (70, 2313856), (80, 2024624), (112, 1446160), (128, 1265390), (140, 1156928), (160, 1012312), (224, 723080), (256, 632695), (280, 578464), (320, 506156), (448, 361540), (560, 289232), (640, 253078), (896, 180770), (1120, 144616), (1280, 126539), (1792, 90385), (2240, 72308), (4480, 36154), (8960, 18077)]