128881920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{33563}}^1$

素因数の和:33587

約数の個数: 72

約数和(自身を含む): 411628896

約数和(自身を除く): 282746976

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, 33563, 67126, 100689, 134252, 167815, 201378, 268504, 335630, 402756, 503445, 537008, 671260, 805512, 1006890, 1074016, 1342520, 1611024, 2013780, 2148032, 2685040, 3222048, 4027560, 4296064, 5370080, 6444096, 8055120, 8592128, 10740160, 12888192, 16110240, 21480320, 25776384, 32220480, 42960640, 64440960, 128881920]

約数ペア:

[(1, 128881920), (2, 64440960), (3, 42960640), (4, 32220480), (5, 25776384), (6, 21480320), (8, 16110240), (10, 12888192), (12, 10740160), (15, 8592128), (16, 8055120), (20, 6444096), (24, 5370080), (30, 4296064), (32, 4027560), (40, 3222048), (48, 2685040), (60, 2148032), (64, 2013780), (80, 1611024), (96, 1342520), (120, 1074016), (128, 1006890), (160, 805512), (192, 671260), (240, 537008), (256, 503445), (320, 402756), (384, 335630), (480, 268504), (640, 201378), (768, 167815), (960, 134252), (1280, 100689), (1920, 67126), (3840, 33563)]