210979620

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{390703}}^1$

素因数の和:390721

約数の個数: 48

約数和(自身を含む): 656382720

約数和(自身を除く): 445403100

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 390703, 781406, 1172109, 1562812, 1953515, 2344218, 3516327, 3907030, 4688436, 5860545, 7032654, 7814060, 10548981, 11721090, 14065308, 17581635, 21097962, 23442180, 35163270, 42195924, 52744905, 70326540, 105489810, 210979620]

約数ペア:

[(1, 210979620), (2, 105489810), (3, 70326540), (4, 52744905), (5, 42195924), (6, 35163270), (9, 23442180), (10, 21097962), (12, 17581635), (15, 14065308), (18, 11721090), (20, 10548981), (27, 7814060), (30, 7032654), (36, 5860545), (45, 4688436), (54, 3907030), (60, 3516327), (90, 2344218), (108, 1953515), (135, 1562812), (180, 1172109), (270, 781406), (540, 390703)]