213715980

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{1187311}}^1$

素因数の和:1187326

約数の個数: 36

約数和(自身を含む): 648272352

約数和(自身を除く): 434556372

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 30, 36, 45, 60, 90, 180, 1187311, 2374622, 3561933, 4749244, 5936555, 7123866, 10685799, 11873110, 14247732, 17809665, 21371598, 23746220, 35619330, 42743196, 53428995, 71238660, 106857990, 213715980]

約数ペア:

[(1, 213715980), (2, 106857990), (3, 71238660), (4, 53428995), (5, 42743196), (6, 35619330), (9, 23746220), (10, 21371598), (12, 17809665), (15, 14247732), (18, 11873110), (20, 10685799), (30, 7123866), (36, 5936555), (45, 4749244), (60, 3561933), (90, 2374622), (180, 1187311)]