256312464

素因数分解:

$2^4\times 3^1\times {\mathrm{31}}^1\times {\mathrm{281}}^1\times {\mathrm{613}}^1$

素因数の和:936

約数の個数: 80

約数和(自身を含む): 687051264

約数和(自身を除く): 430738800

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 48, 62, 93, 124, 186, 248, 281, 372, 496, 562, 613, 744, 843, 1124, 1226, 1488, 1686, 1839, 2248, 2452, 3372, 3678, 4496, 4904, 6744, 7356, 8711, 9808, 13488, 14712, 17422, 19003, 26133, 29424, 34844, 38006, 52266, 57009, 69688, 76012, 104532, 114018, 139376, 152024, 172253, 209064, 228036, 304048, 344506, 418128, 456072, 516759, 689012, 912144, 1033518, 1378024, 2067036, 2756048, 4134072, 5339843, 8268144, 10679686, 16019529, 21359372, 32039058, 42718744, 64078116, 85437488, 128156232, 256312464]

約数ペア:

[(1, 256312464), (2, 128156232), (3, 85437488), (4, 64078116), (6, 42718744), (8, 32039058), (12, 21359372), (16, 16019529), (24, 10679686), (31, 8268144), (48, 5339843), (62, 4134072), (93, 2756048), (124, 2067036), (186, 1378024), (248, 1033518), (281, 912144), (372, 689012), (496, 516759), (562, 456072), (613, 418128), (744, 344506), (843, 304048), (1124, 228036), (1226, 209064), (1488, 172253), (1686, 152024), (1839, 139376), (2248, 114018), (2452, 104532), (3372, 76012), (3678, 69688), (4496, 57009), (4904, 52266), (6744, 38006), (7356, 34844), (8711, 29424), (9808, 26133), (13488, 19003), (14712, 17422)]