68961840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{287341}}^1$

素因数の和:287357

約数の個数: 40

約数和(自身を含む): 213782448

約数和(自身を除く): 144820608

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 287341, 574682, 862023, 1149364, 1436705, 1724046, 2298728, 2873410, 3448092, 4310115, 4597456, 5746820, 6896184, 8620230, 11493640, 13792368, 17240460, 22987280, 34480920, 68961840]

約数ペア:

[(1, 68961840), (2, 34480920), (3, 22987280), (4, 17240460), (5, 13792368), (6, 11493640), (8, 8620230), (10, 6896184), (12, 5746820), (15, 4597456), (16, 4310115), (20, 3448092), (24, 2873410), (30, 2298728), (40, 1724046), (48, 1436705), (60, 1149364), (80, 862023), (120, 574682), (240, 287341)]