1281240

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{3559}}^1$

素因数の和:3576

約数の個数: 48

約数和(自身を含む): 4165200

約数和(自身を除く): 2883960

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 30, 36, 40, 45, 60, 72, 90, 120, 180, 360, 3559, 7118, 10677, 14236, 17795, 21354, 28472, 32031, 35590, 42708, 53385, 64062, 71180, 85416, 106770, 128124, 142360, 160155, 213540, 256248, 320310, 427080, 640620, 1281240]

約数ペア:

[(1, 1281240), (2, 640620), (3, 427080), (4, 320310), (5, 256248), (6, 213540), (8, 160155), (9, 142360), (10, 128124), (12, 106770), (15, 85416), (18, 71180), (20, 64062), (24, 53385), (30, 42708), (36, 35590), (40, 32031), (45, 28472), (60, 21354), (72, 17795), (90, 14236), (120, 10677), (180, 7118), (360, 3559)]