81940620

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{13259}}^1$

素因数の和:13374

約数の個数: 48

約数和(自身を含む): 231678720

約数和(自身を除く): 149738100

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 103, 206, 309, 412, 515, 618, 1030, 1236, 1545, 2060, 3090, 6180, 13259, 26518, 39777, 53036, 66295, 79554, 132590, 159108, 198885, 265180, 397770, 795540, 1365677, 2731354, 4097031, 5462708, 6828385, 8194062, 13656770, 16388124, 20485155, 27313540, 40970310, 81940620]

約数ペア:

[(1, 81940620), (2, 40970310), (3, 27313540), (4, 20485155), (5, 16388124), (6, 13656770), (10, 8194062), (12, 6828385), (15, 5462708), (20, 4097031), (30, 2731354), (60, 1365677), (103, 795540), (206, 397770), (309, 265180), (412, 198885), (515, 159108), (618, 132590), (1030, 79554), (1236, 66295), (1545, 53036), (2060, 39777), (3090, 26518), (6180, 13259)]