68615745

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{509}}^1$

素因数の和:590

約数の個数: 64

約数和(自身を含む): 129254400

約数和(自身を除く): 60638655

約数列:

[1, 3, 5, 11, 15, 19, 33, 43, 55, 57, 95, 129, 165, 209, 215, 285, 473, 509, 627, 645, 817, 1045, 1419, 1527, 2365, 2451, 2545, 3135, 4085, 5599, 7095, 7635, 8987, 9671, 12255, 16797, 21887, 26961, 27995, 29013, 44935, 48355, 65661, 83985, 106381, 109435, 134805, 145065, 240757, 319143, 328305, 415853, 531905, 722271, 1203785, 1247559, 1595715, 2079265, 3611355, 4574383, 6237795, 13723149, 22871915, 68615745]

約数ペア:

[(1, 68615745), (3, 22871915), (5, 13723149), (11, 6237795), (15, 4574383), (19, 3611355), (33, 2079265), (43, 1595715), (55, 1247559), (57, 1203785), (95, 722271), (129, 531905), (165, 415853), (209, 328305), (215, 319143), (285, 240757), (473, 145065), (509, 134805), (627, 109435), (645, 106381), (817, 83985), (1045, 65661), (1419, 48355), (1527, 44935), (2365, 29013), (2451, 27995), (2545, 26961), (3135, 21887), (4085, 16797), (5599, 12255), (7095, 9671), (7635, 8987)]