1009920

素因数分解:

$2^8\times 3^1\times 5^1\times {\mathrm{263}}^1$

素因数の和:287

約数の個数: 72

約数和(自身を含む): 3237696

約数和(自身を除く): 2227776

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, 263, 320, 384, 480, 526, 640, 768, 789, 960, 1052, 1280, 1315, 1578, 1920, 2104, 2630, 3156, 3840, 3945, 4208, 5260, 6312, 7890, 8416, 10520, 12624, 15780, 16832, 21040, 25248, 31560, 33664, 42080, 50496, 63120, 67328, 84160, 100992, 126240, 168320, 201984, 252480, 336640, 504960, 1009920]

約数ペア:

[(1, 1009920), (2, 504960), (3, 336640), (4, 252480), (5, 201984), (6, 168320), (8, 126240), (10, 100992), (12, 84160), (15, 67328), (16, 63120), (20, 50496), (24, 42080), (30, 33664), (32, 31560), (40, 25248), (48, 21040), (60, 16832), (64, 15780), (80, 12624), (96, 10520), (120, 8416), (128, 7890), (160, 6312), (192, 5260), (240, 4208), (256, 3945), (263, 3840), (320, 3156), (384, 2630), (480, 2104), (526, 1920), (640, 1578), (768, 1315), (789, 1280), (960, 1052)]