257070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1$

素因数の和:81

約数の個数: 64

約数和(自身を含む): 725760

約数和(自身を除く): 468690

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 19, 22, 30, 33, 38, 41, 55, 57, 66, 82, 95, 110, 114, 123, 165, 190, 205, 209, 246, 285, 330, 410, 418, 451, 570, 615, 627, 779, 902, 1045, 1230, 1254, 1353, 1558, 2090, 2255, 2337, 2706, 3135, 3895, 4510, 4674, 6270, 6765, 7790, 8569, 11685, 13530, 17138, 23370, 25707, 42845, 51414, 85690, 128535, 257070]

約数ペア:

[(1, 257070), (2, 128535), (3, 85690), (5, 51414), (6, 42845), (10, 25707), (11, 23370), (15, 17138), (19, 13530), (22, 11685), (30, 8569), (33, 7790), (38, 6765), (41, 6270), (55, 4674), (57, 4510), (66, 3895), (82, 3135), (95, 2706), (110, 2337), (114, 2255), (123, 2090), (165, 1558), (190, 1353), (205, 1254), (209, 1230), (246, 1045), (285, 902), (330, 779), (410, 627), (418, 615), (451, 570)]