65915080

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{21401}}^1$

素因数の和:21430

約数の個数: 64

約数和(自身を含む): 184913280

約数和(自身を除く): 118998200

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, 21401, 42802, 85604, 107005, 149807, 171208, 214010, 235411, 299614, 428020, 470822, 599228, 749035, 856040, 941644, 1177055, 1198456, 1498070, 1647877, 1883288, 2354110, 2996140, 3295754, 4708220, 5992280, 6591508, 8239385, 9416440, 13183016, 16478770, 32957540, 65915080]

約数ペア:

[(1, 65915080), (2, 32957540), (4, 16478770), (5, 13183016), (7, 9416440), (8, 8239385), (10, 6591508), (11, 5992280), (14, 4708220), (20, 3295754), (22, 2996140), (28, 2354110), (35, 1883288), (40, 1647877), (44, 1498070), (55, 1198456), (56, 1177055), (70, 941644), (77, 856040), (88, 749035), (110, 599228), (140, 470822), (154, 428020), (220, 299614), (280, 235411), (308, 214010), (385, 171208), (440, 149807), (616, 107005), (770, 85604), (1540, 42802), (3080, 21401)]