678993280

素因数分解:

$2^7\times 5^1\times 7^1\times {\mathrm{151561}}^1$

素因数の和:151587

約数の個数: 64

約数和(自身を含む): 1855118880

約数和(自身を除く): 1176125600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 64, 70, 80, 112, 128, 140, 160, 224, 280, 320, 448, 560, 640, 896, 1120, 2240, 4480, 151561, 303122, 606244, 757805, 1060927, 1212488, 1515610, 2121854, 2424976, 3031220, 4243708, 4849952, 5304635, 6062440, 8487416, 9699904, 10609270, 12124880, 16974832, 19399808, 21218540, 24249760, 33949664, 42437080, 48499520, 67899328, 84874160, 96999040, 135798656, 169748320, 339496640, 678993280]

約数ペア:

[(1, 678993280), (2, 339496640), (4, 169748320), (5, 135798656), (7, 96999040), (8, 84874160), (10, 67899328), (14, 48499520), (16, 42437080), (20, 33949664), (28, 24249760), (32, 21218540), (35, 19399808), (40, 16974832), (56, 12124880), (64, 10609270), (70, 9699904), (80, 8487416), (112, 6062440), (128, 5304635), (140, 4849952), (160, 4243708), (224, 3031220), (280, 2424976), (320, 2121854), (448, 1515610), (560, 1212488), (640, 1060927), (896, 757805), (1120, 606244), (2240, 303122), (4480, 151561)]