240156455

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{733}}^1$

素因数の和:816

約数の個数: 64

約数和(自身を含む): 385579008

約数和(自身を除く): 145422553

約数列:

[1, 5, 7, 11, 23, 35, 37, 55, 77, 115, 161, 185, 253, 259, 385, 407, 733, 805, 851, 1265, 1295, 1771, 2035, 2849, 3665, 4255, 5131, 5957, 8063, 8855, 9361, 14245, 16859, 25655, 27121, 29785, 40315, 46805, 56441, 65527, 84295, 118013, 135605, 185449, 189847, 282205, 298331, 327635, 590065, 623783, 927245, 949235, 1298143, 1491655, 2088317, 3118915, 4366481, 6490715, 6861613, 10441585, 21832405, 34308065, 48031291, 240156455]

約数ペア:

[(1, 240156455), (5, 48031291), (7, 34308065), (11, 21832405), (23, 10441585), (35, 6861613), (37, 6490715), (55, 4366481), (77, 3118915), (115, 2088317), (161, 1491655), (185, 1298143), (253, 949235), (259, 927245), (385, 623783), (407, 590065), (733, 327635), (805, 298331), (851, 282205), (1265, 189847), (1295, 185449), (1771, 135605), (2035, 118013), (2849, 84295), (3665, 65527), (4255, 56441), (5131, 46805), (5957, 40315), (8063, 29785), (8855, 27121), (9361, 25655), (14245, 16859)]