209521920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{54563}}^1$

素因数の和:54587

約数の個数: 72

約数和(自身を含む): 669172896

約数和(自身を除く): 459650976

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, 54563, 109126, 163689, 218252, 272815, 327378, 436504, 545630, 654756, 818445, 873008, 1091260, 1309512, 1636890, 1746016, 2182520, 2619024, 3273780, 3492032, 4365040, 5238048, 6547560, 6984064, 8730080, 10476096, 13095120, 13968128, 17460160, 20952192, 26190240, 34920320, 41904384, 52380480, 69840640, 104760960, 209521920]

約数ペア:

[(1, 209521920), (2, 104760960), (3, 69840640), (4, 52380480), (5, 41904384), (6, 34920320), (8, 26190240), (10, 20952192), (12, 17460160), (15, 13968128), (16, 13095120), (20, 10476096), (24, 8730080), (30, 6984064), (32, 6547560), (40, 5238048), (48, 4365040), (60, 3492032), (64, 3273780), (80, 2619024), (96, 2182520), (120, 1746016), (128, 1636890), (160, 1309512), (192, 1091260), (240, 873008), (256, 818445), (320, 654756), (384, 545630), (480, 436504), (640, 327378), (768, 272815), (960, 218252), (1280, 163689), (1920, 109126), (3840, 54563)]