320149920

素因数分解:

$2^5\times 3^1\times 5^1\times {\mathrm{666979}}^1$

素因数の和:666997

約数の個数: 48

約数和(自身を含む): 1008473760

約数和(自身を除く): 688323840

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 32, 40, 48, 60, 80, 96, 120, 160, 240, 480, 666979, 1333958, 2000937, 2667916, 3334895, 4001874, 5335832, 6669790, 8003748, 10004685, 10671664, 13339580, 16007496, 20009370, 21343328, 26679160, 32014992, 40018740, 53358320, 64029984, 80037480, 106716640, 160074960, 320149920]

約数ペア:

[(1, 320149920), (2, 160074960), (3, 106716640), (4, 80037480), (5, 64029984), (6, 53358320), (8, 40018740), (10, 32014992), (12, 26679160), (15, 21343328), (16, 20009370), (20, 16007496), (24, 13339580), (30, 10671664), (32, 10004685), (40, 8003748), (48, 6669790), (60, 5335832), (80, 4001874), (96, 3334895), (120, 2667916), (160, 2000937), (240, 1333958), (480, 666979)]