21292800

素因数分解:

$2^8\times 3^1\times 5^2\times {\mathrm{1109}}^1$

素因数の和:1138

約数の個数: 108

約数和(自身を含む): 70334040

約数和(自身を除く): 49041240

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 25, 30, 32, 40, 48, 50, 60, 64, 75, 80, 96, 100, 120, 128, 150, 160, 192, 200, 240, 256, 300, 320, 384, 400, 480, 600, 640, 768, 800, 960, 1109, 1200, 1280, 1600, 1920, 2218, 2400, 3200, 3327, 3840, 4436, 4800, 5545, 6400, 6654, 8872, 9600, 11090, 13308, 16635, 17744, 19200, 22180, 26616, 27725, 33270, 35488, 44360, 53232, 55450, 66540, 70976, 83175, 88720, 106464, 110900, 133080, 141952, 166350, 177440, 212928, 221800, 266160, 283904, 332700, 354880, 425856, 443600, 532320, 665400, 709760, 851712, 887200, 1064640, 1330800, 1419520, 1774400, 2129280, 2661600, 3548800, 4258560, 5323200, 7097600, 10646400, 21292800]

約数ペア:

[(1, 21292800), (2, 10646400), (3, 7097600), (4, 5323200), (5, 4258560), (6, 3548800), (8, 2661600), (10, 2129280), (12, 1774400), (15, 1419520), (16, 1330800), (20, 1064640), (24, 887200), (25, 851712), (30, 709760), (32, 665400), (40, 532320), (48, 443600), (50, 425856), (60, 354880), (64, 332700), (75, 283904), (80, 266160), (96, 221800), (100, 212928), (120, 177440), (128, 166350), (150, 141952), (160, 133080), (192, 110900), (200, 106464), (240, 88720), (256, 83175), (300, 70976), (320, 66540), (384, 55450), (400, 53232), (480, 44360), (600, 35488), (640, 33270), (768, 27725), (800, 26616), (960, 22180), (1109, 19200), (1200, 17744), (1280, 16635), (1600, 13308), (1920, 11090), (2218, 9600), (2400, 8872), (3200, 6654), (3327, 6400), (3840, 5545), (4436, 4800)]