7680465

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{691}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 15113280

約数和(自身を除く): 7432815

約数列:

[1, 3, 5, 9, 13, 15, 19, 39, 45, 57, 65, 95, 117, 171, 195, 247, 285, 585, 691, 741, 855, 1235, 2073, 2223, 3455, 3705, 6219, 8983, 10365, 11115, 13129, 26949, 31095, 39387, 44915, 65645, 80847, 118161, 134745, 170677, 196935, 404235, 512031, 590805, 853385, 1536093, 2560155, 7680465]

約数ペア:

[(1, 7680465), (3, 2560155), (5, 1536093), (9, 853385), (13, 590805), (15, 512031), (19, 404235), (39, 196935), (45, 170677), (57, 134745), (65, 118161), (95, 80847), (117, 65645), (171, 44915), (195, 39387), (247, 31095), (285, 26949), (585, 13129), (691, 11115), (741, 10365), (855, 8983), (1235, 6219), (2073, 3705), (2223, 3455)]