28539780

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{20681}}^1$

素因数の和:20716

約数の個数: 48

約数和(自身を含む): 83389824

約数和(自身を除く): 54850044

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 23, 30, 46, 60, 69, 92, 115, 138, 230, 276, 345, 460, 690, 1380, 20681, 41362, 62043, 82724, 103405, 124086, 206810, 248172, 310215, 413620, 475663, 620430, 951326, 1240860, 1426989, 1902652, 2378315, 2853978, 4756630, 5707956, 7134945, 9513260, 14269890, 28539780]

約数ペア:

[(1, 28539780), (2, 14269890), (3, 9513260), (4, 7134945), (5, 5707956), (6, 4756630), (10, 2853978), (12, 2378315), (15, 1902652), (20, 1426989), (23, 1240860), (30, 951326), (46, 620430), (60, 475663), (69, 413620), (92, 310215), (115, 248172), (138, 206810), (230, 124086), (276, 103405), (345, 82724), (460, 62043), (690, 41362), (1380, 20681)]