64775480

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21031}}^1$

素因数の和:21060

約数の個数: 64

約数和(自身を含む): 181716480

約数和(自身を除く): 116941000

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 21031, 42062, 84124, 105155, 147217, 168248, 210310, 231341, 294434, 420620, 462682, 588868, 736085, 841240, 925364, 1156705, 1177736, 1472170, 1619387, 1850728, 2313410, 2944340, 3238774, 4626820, 5888680, 6477548, 8096935, 9253640, 12955096, 16193870, 32387740, 64775480]

約数ペア:

[(1, 64775480), (2, 32387740), (4, 16193870), (5, 12955096), (7, 9253640), (8, 8096935), (10, 6477548), (11, 5888680), (14, 4626820), (20, 3238774), (22, 2944340), (28, 2313410), (35, 1850728), (40, 1619387), (44, 1472170), (55, 1177736), (56, 1156705), (70, 925364), (77, 841240), (88, 736085), (110, 588868), (140, 462682), (154, 420620), (220, 294434), (280, 231341), (308, 210310), (385, 168248), (440, 147217), (616, 105155), (770, 84124), (1540, 42062), (3080, 21031)]