72707940

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{403933}}^1$

素因数の和:403948

約数の個数: 36

約数和(自身を含む): 220547964

約数和(自身を除く): 147840024

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 403933, 807866, 1211799, 1615732, 2019665, 2423598, 3635397, 4039330, 4847196, 6058995, 7270794, 8078660, 12117990, 14541588, 18176985, 24235980, 36353970, 72707940]

約数ペア:

[(1, 72707940), (2, 36353970), (3, 24235980), (4, 18176985), (5, 14541588), (6, 12117990), (9, 8078660), (10, 7270794), (12, 6058995), (15, 4847196), (18, 4039330), (20, 3635397), (30, 2423598), (36, 2019665), (45, 1615732), (60, 1211799), (90, 807866), (180, 403933)]