204816720

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{853403}}^1$

素因数の和:853419

約数の個数: 40

約数和(自身を含む): 634932576

約数和(自身を除く): 430115856

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 60, 80, 120, 240, 853403, 1706806, 2560209, 3413612, 4267015, 5120418, 6827224, 8534030, 10240836, 12801045, 13654448, 17068060, 20481672, 25602090, 34136120, 40963344, 51204180, 68272240, 102408360, 204816720]

約数ペア:

[(1, 204816720), (2, 102408360), (3, 68272240), (4, 51204180), (5, 40963344), (6, 34136120), (8, 25602090), (10, 20481672), (12, 17068060), (15, 13654448), (16, 12801045), (20, 10240836), (24, 8534030), (30, 6827224), (40, 5120418), (48, 4267015), (60, 3413612), (80, 2560209), (120, 1706806), (240, 853403)]