9054780

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{21559}}^1$

素因数の和:21578

約数の個数: 48

約数和(自身を含む): 28976640

約数和(自身を除く): 19921860

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 21559, 43118, 64677, 86236, 107795, 129354, 150913, 215590, 258708, 301826, 323385, 431180, 452739, 603652, 646770, 754565, 905478, 1293540, 1509130, 1810956, 2263695, 3018260, 4527390, 9054780]

約数ペア:

[(1, 9054780), (2, 4527390), (3, 3018260), (4, 2263695), (5, 1810956), (6, 1509130), (7, 1293540), (10, 905478), (12, 754565), (14, 646770), (15, 603652), (20, 452739), (21, 431180), (28, 323385), (30, 301826), (35, 258708), (42, 215590), (60, 150913), (70, 129354), (84, 107795), (105, 86236), (140, 64677), (210, 43118), (420, 21559)]