1678620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{101}}^1\times {\mathrm{277}}^1$

素因数の和:390

約数の個数: 48

約数和(自身を含む): 4763808

約数和(自身を除く): 3085188

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 101, 202, 277, 303, 404, 505, 554, 606, 831, 1010, 1108, 1212, 1385, 1515, 1662, 2020, 2770, 3030, 3324, 4155, 5540, 6060, 8310, 16620, 27977, 55954, 83931, 111908, 139885, 167862, 279770, 335724, 419655, 559540, 839310, 1678620]

約数ペア:

[(1, 1678620), (2, 839310), (3, 559540), (4, 419655), (5, 335724), (6, 279770), (10, 167862), (12, 139885), (15, 111908), (20, 83931), (30, 55954), (60, 27977), (101, 16620), (202, 8310), (277, 6060), (303, 5540), (404, 4155), (505, 3324), (554, 3030), (606, 2770), (831, 2020), (1010, 1662), (1108, 1515), (1212, 1385)]