256527645

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{1741}}^1$

素因数の和:1826

約数の個数: 64

約数和(自身を含む): 481628160

約数和(自身を除く): 225100515

約数列:

[1, 3, 5, 11, 15, 19, 33, 47, 55, 57, 95, 141, 165, 209, 235, 285, 517, 627, 705, 893, 1045, 1551, 1741, 2585, 2679, 3135, 4465, 5223, 7755, 8705, 9823, 13395, 19151, 26115, 29469, 33079, 49115, 57453, 81827, 95755, 99237, 147345, 165395, 245481, 287265, 363869, 409135, 496185, 900097, 1091607, 1227405, 1554713, 1819345, 2700291, 4500485, 4664139, 5458035, 7773565, 13501455, 17101843, 23320695, 51305529, 85509215, 256527645]

約数ペア:

[(1, 256527645), (3, 85509215), (5, 51305529), (11, 23320695), (15, 17101843), (19, 13501455), (33, 7773565), (47, 5458035), (55, 4664139), (57, 4500485), (95, 2700291), (141, 1819345), (165, 1554713), (209, 1227405), (235, 1091607), (285, 900097), (517, 496185), (627, 409135), (705, 363869), (893, 287265), (1045, 245481), (1551, 165395), (1741, 147345), (2585, 99237), (2679, 95755), (3135, 81827), (4465, 57453), (5223, 49115), (7755, 33079), (8705, 29469), (9823, 26115), (13395, 19151)]