64440960

素因数分解:

$2^7\times 3^1\times 5^1\times {\mathrm{33563}}^1$

素因数の和:33585

約数の個数: 64

約数和(自身を含む): 205411680

約数和(自身を除く): 140970720

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, 320, 384, 480, 640, 960, 1920, 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, 10740160, 12888192, 16110240, 21480320, 32220480, 64440960]

約数ペア:

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