261777210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{41}}^1\times {\mathrm{212827}}^1$

素因数の和:212878

約数の個数: 32

約数和(自身を含む): 643591872

約数和(自身を除く): 381814662

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 41, 82, 123, 205, 246, 410, 615, 1230, 212827, 425654, 638481, 1064135, 1276962, 2128270, 3192405, 6384810, 8725907, 17451814, 26177721, 43629535, 52355442, 87259070, 130888605, 261777210]

約数ペア:

[(1, 261777210), (2, 130888605), (3, 87259070), (5, 52355442), (6, 43629535), (10, 26177721), (15, 17451814), (30, 8725907), (41, 6384810), (82, 3192405), (123, 2128270), (205, 1276962), (246, 1064135), (410, 638481), (615, 425654), (1230, 212827)]